Java program for swapping of 2 number without temp memory allocation

Java program for swapping of 2 numbers


Program:-

import java.util.Scanner;

class group{
public static void main(String ang[]){
Scanner data= new Scanner(System.in);

int num1,num2;

System.out.println("Enter num1:");
num1=data.nextInt();
System.out.println("Enter num2:");
num2=data.nextInt();

num1=num1+num2;
num2=num1-num2;
num1=num1-num2;

System.out.println("num1: "+ num1 +" num2: "+ num2);
}
}

Output:-

Enter num1:
56
Enter num2:
89
num1: 89 num2: 56

Try other language:-

c program for swapping of 2 numbers using temp
c program for swapping of 2 numbers without temp
c program for swapping of 2 number using call by value

Java program for swapping of 2 numbers using memory location

Java program for swapping of 2 numbers using temp

Program:-

import java.util.Scanner;

class group{
public static void main(String ang[]){
Scanner data= new Scanner(System.in);

int num1,num2,temp;

System.out.println("Enter num1:");
num1=data.nextInt();
System.out.println("Enter num2:");
num2=data.nextInt();

temp=num1;
num1=num2;
num2=temp;
System.out.println("num1: "+ num1 +" num2: "+ num2);
}

}

Output:-

Enter num1:
5
Enter num2:
6
num1: 6 num2: 5

Try other language:-

c program for swapping of 2 numbers using temp
c program for swapping of 2 numbers without temp
c program for swapping of 2 number using call by value

Java program for displaying numbers in decreasing order

Java program for  decreasing order of numbers

Java program in minimum order


Program:-

import java.util.Scanner;

class group{
public static void main(String ang[]){
Scanner data= new Scanner(System.in);
int value[]= new int[5];
int temp,i=0,j=0;
System.out.println("Enter 5 element of array");
//Read array number
for(i=0;i<5;i++)
value[i]=data.nextInt();

//logical of increasing order
temp=value[0];
 for(i=0;i<5;i++)
 {
for(j=i;j<5;j++)
{
if(value[i]<value[j])
{
temp=value[i];
value[i]=value[j];
value[j]=temp;
}
}
 
 }
 // Increasing Order out 
 System.out.println("descending Order:");
 for(i=0;i<5;i++)
   System.out.println(""+value[i]); 
}

}

Output:-

Enter 5 element of array
56
14
75
21
91
descending Order:
91
75
56
21
14


Enter 5 element of array
56
91
47
54
12
descending Order:
91
56
54
47

12

java program for displaying numbers in increasing order

java program for  increasing order of numbers

java program for displaying maximum order


Program:-

import java.util.Scanner;

class group{
public static void main(String ang[]){
Scanner data= new Scanner(System.in);
int value[]= new int[5];
int temp,i=0,j=0;
System.out.println("Enter 5 element of array");
//Read array number
for(i=0;i<5;i++)
value[i]=data.nextInt();

//logical of increasing order
temp=value[0];
 for(i=0;i<5;i++)
 {
for(j=i;j<5;j++)
{
if(value[i]>value[j])
{
temp=value[i];
value[i]=value[j];
value[j]=temp;
}
}
 
 }
 // Increasing Order out 
 System.out.println("Increasing Order:");
 for(i=0;i<5;i++)
   System.out.println(""+value[i]); 
}

}

Output:-


Enter 5 element of array
85
64
91
47
26
Increasing Order:
26
47
64
85
91

Enter 5 element of array
12
54
21
54
26
Increasing Order:
12
21
26
54

54

Java program for finding minimum number between 3 number

java code for finding min of 3

Program:-

import java.util.Scanner;

class group{
public static void main(String ang[]){
Scanner data= new Scanner(System.in);
int num1, num2,num3;
// Read 1st number
System.out.println("Enter 1st number");
num1=data.nextInt();
// Read 2nd number
System.out.println("Enter 2nd number");
num2=data.nextInt();
//Read 3rd number
System.out.println("Enter 3rd number");
num3=data.nextInt();
// Find smallest number
if(num1<num2 && num1<num3)
System.out.println("The smallest number:"+num1);
else if(num2<num1 && num2<num3)
System.out.println("The smallest number:"+num2);
else
System.out.println("The smallest number:"+num3);
}
}

Output:-

Enter 1st number
56
Enter 2nd number
98
Enter 3rd number
41
The smallest number:41


Enter 1st number
47
Enter 2nd number
61
Enter 3rd number
89
The smallest number:47


Enter 1st number
45
Enter 2nd number
21
Enter 3rd number
84
The smallest number:21


Enter 1st number
55
Enter 2nd number
55
Enter 3rd number
48
The smallest number:48

find maximum of 3 number in java

Java code for finding largest number of 3

Program:-

import java.util.Scanner;

class group{
public static void main(String ang[]){
Scanner data= new Scanner(System.in);
int num1, num2,num3;
// Read 1st number
System.out.println("Enter 1st number");
num1=data.nextInt();
// Read 2nd number
System.out.println("Enter 2nd number");
num2=data.nextInt();
//Read 3rd number
System.out.println("Enter 3rd number");
num3=data.nextInt();
// Find largest number
if(num1>num2 && num1>num3)
System.out.println("The largest number:"+num1);
else if(num2>num1 && num2>num3)
System.out.println("The largest number:"+num2);
else
System.out.println("The largest number:"+num3);
}
}

Output:-
Enter 1st number
56
Enter 2nd number
89
Enter 3rd number
45
The largest number:89


Enter 1st number
48
Enter 2nd number
25
Enter 3rd number
16
The largest number:48

Enter 1st number
25
Enter 2nd number
89
Enter 3rd number
98
The largest number:98

Enter 1st number
45
Enter 2nd number
89
Enter 3rd number
45

The largest number:89

Java program to find maximum number in array

Java program to find biggest number in array

Program:-

import java.util.Scanner;
class group{
public static void main(String arng[]){
int value[]= new int[5];
int temp,i;
Scanner data = new Scanner(System.in);
System.out.println("Enter 5 element of array" );
// Enhanced for loop
for(i=0; i < 5; i++ ) value[i] = data.nextInt();
// finding Largest number
temp = value[0];
for(i=0; i < 5; i++ )
{
if(temp > value[i])
continue;
else
temp = value[i];
}
System.out.println("Largest number in array is "+temp);
}
}

Output:-

Enter 5 element of array
25
154
28522
218
2564
Largest number in array is 28522

Output:-

Enter 5 element of array
25
14
58
26
14
Largest number in array is 58

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Java program to find minimum number in array

Java program to find lowest number in array

Program:-

import java.util.Scanner;
class group{
public static void main(String arng[]){
int value[]= new int[5];
int temp,i;
Scanner data = new Scanner(System.in);
System.out.println("Enter 5 element of array" );
// Enhanced for loop
for(i=0; i < 5; i++ )
value[i] = data.nextInt();
// finding smallest number
temp = value[0];
for(i=0; i < 5; i++ )
{
if(temp < value[i])
continue;
else
temp = value[i];
}
System.out.println("Smallest number in array is "+temp);
}
}


Output:-

Enter 5 element of array
56
84
95
12
32
Smallest number in array is 12

Output:-

Enter 5 element of array
48
124
20
54
14
Smallest number in array is 14

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Java program to find largest number between N number

Java program to find greatest number between N number

Java program to find maximum number between N number

Java program to find biggest number between 10 number

Java program to find biggest number between 21 number

Java program to find largest number between N number without using array

Program:-

import java.util.Scanner;

class group{
public static void main(String argn[]){
Scanner data = new Scanner(System.in);
int num, i, temp, max;
// Reading numbers want to be read
System.out.print("Enter number you want to enter:");
num = data.nextInt();
System.out.println("Enter " +num+ " number");
// Reading 1st number
max = data.nextInt();
// Reading other number
for (i=1; i < num; i++) { temp = data.nextInt();
 if(temp < max)
continue;
else
// largest number
max = temp;
}
System.out.println("Largest Number is "+max);
}
}

Output:-

Enter number you want to enter:
10
Enter 10 number
248
445852
248
215
25854
2145
11458
21145
115
115585
Largest Number is 445852

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Java program to find smallest number between 10 number

Java program to find smallest number between 5 number

Java program to find smallest number between 21 number

Java program to find minimum number between N number

Java program to find lowest number between N number

Java program to find smallest number without using array

Program

import java.util.Scanner;

class group{
public static void main(String argn[]){
Scanner data = new Scanner(System.in);
int num, i, temp, small;
// Reading numbers want to be read
System.out.print("Enter number you want to enter:");
num = data.nextInt();
System.out.println("Enter " +num+ " number");
// Reading 1st number
small = data.nextInt();
// Reading other number
for (i=1; i < num; i++)
{
temp = data.nextInt();
if(temp > small)
continue;
else
// smallest number
small = temp;

}

System.out.println("Smallest Number is "+small);

}
}


Output:-

Enter number you want to enter:10
Enter 10 number
584
114
1444
144
114
552
116
446
149
181
Smallest Number is 114

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Java program to find average

Java program to find average of 5 number

Java program to find average of 10 number

Java program to find average without using array

Program:-

import java.util.Scanner;
class group{
public static void main(String arng[]){
Scanner data = new Scanner(System.in);
int i, num, temp = 0;
float sum = 0;
System.out.print("How may numbers you want take average: ");
num=data.nextInt();
System.out.println("Enter " +num+ " for average");
for(i=0; i < num; i++)
{
temp = data.nextInt();
sum = sum + temp;
}
sum = sum/num;
System.out.println("Average of " +num+ " is "+sum);
}
}

Output:-

How may numbers you want take average: 4
Enter 4 for average
5
6
7
8
Average of 4 is 6.5

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Java program to find average of array number

Program:-

Method 1
Java program to fined average of array element using enhanced for loop

import java.util.Scanner;
class group{
public static void main(String arng[]){
int value[]= new int[5];
Scanner data = new Scanner(System.in);
float sum =0;
System.out.println("Enter 5 element of array" );
// Enhanced for loop
for(int i : value)
{
i = data.nextInt();
// sum all element
sum = sum+i;
}
System.out.println("Average of array element");
// divide by total number
sum = sum/value.length;
System.out.println(sum);
}
}

Output:-

Enter 5 element of array
5
6
7
8
9
Avarge of array element
7.0

Output:-

Enter 5 element of array
5
21
28
24
25
Average of array element
20.6


Method 2
Java program to fined average of array element using simple way

import java.util.Scanner;
class group{
public static void main(String arng[]){
int value[]= new int[5];
Scanner data = new Scanner(System.in);
float sum =0;
int i;
System.out.println("Enter 5 element of array" );
// Enter 5 number
for(i = 0; i < 5; i++)
value[i] = data.nextInt();
// sum all element
for(i = 0; i < 5; i++)
sum = sum+value[i];
System.out.println("Average  of array element");
// divide by total number
sum = sum/value.length;
System.out.println(sum);
}
}

Output:-

Enter 5 element of array
25
29
35
75
79
Average of array element
48.6

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simple java array program

Program:-

Method 1
java program to show index value of array element

class group{
public static void main(String arng[]){
int sum[]=new int[5];
sum[0]= 1;
sum[1]= 4;
sum[2]= 27;
sum[3]= 4;
sum[4]= 148;

System.out.println("index \t data");

for(int i=0; i<5;i++)
System.out.println(i+ "\t"+sum[i]);
}
}

Output:-

index   data
0           1
1           4
2          27
3           4
4         148


Method 2
Java program to display index value in initialized array

class group{
public static void main(String arng[]){
int sum[]={5, 48, 127, 197, 142};

System.out.println("index \t data");

for(int i=0; i<5;i++) System.out.println(i+ "\t"+sum[i]);
}
}

Output:-

index      data
0             5
1             48
2            127
3            197
4            142

Method 3
Java program to display index value of array using user input

import java.util.Scanner;
class group{
public static void main(String arng[]){
int sum[]= new int[5];
Scanner data = new Scanner(System.in);
System.out.println("Enter 5 element of array");
for(int i=0;i<5;i++)
sum[i]=data.nextInt();
System.out.println("index \t data");
for(int i=0; i<5;i++)
System.out.println(i+ "\t"+sum[i]);
}
}

output:-

Enter 5 element of array
52
63
14
2
28
index       data
0              52
1              63
2              14
3              2
4              28

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java program to take user input

simple java array program

Program:-

import java.util.Scanner;
class group{
public static void main(String arng[]){
int total = 0;
int sum[]=new int[5];
Scanner data = new Scanner(System.in);

System.out.println("Enter 5 element of array");

for(int i=0; i<5;i++)
sum[i] = data.nextInt();
for(int i=0; i<5;i++)
total = total +sum[i];
System.out.println("Sum of array element is:"+total);
}
}

Output:-

Enter 5 elment of array
25
21
23
21
24
Sum of array element is:114

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simple example program for java method

java program to find sum using method
Program:-

Method 1
Java program to find sum of 2 number using method

import java.util.Scanner;

class group{
public static void main(String arng[]){
Scanner data = new Scanner(System.in);
int num1, num2;
System.out.println("Enter 1st number");
num1 = data.nextInt();
System.out.println("Enter 2nd number");
num2 = data.nextInt();

sum(num1,num2);

}
// sum method
public static void sum(int numx, int numy){
int sum=0;
sum=numx+numy;
System.out.println("Sum of 2 number:"+sum);

}
}

Output:-

Enter 1st number
2
Enter 2nd number
3
Sum of 2 number:5


Method 2
Java program to find sum of 2 number using method with return value

import java.util.Scanner;

class group{

public static void main(String anrg[]){
Scanner data = new Scanner(System.in);
int num1, num2, sum;

System.out.println("Enter 1st number");
num1=data.nextInt();

System.out.println("Enter 2nd number");
num2=data.nextInt();

sum=total(num1, num2);
System.out.println("The total "+sum);
}
// total method
public static int total(int x, int y)
{
int s;
s = x+y;
return s;
}
}

Output:-

Enter 1st number
20
Enter 2nd number
15
The total 35

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Java program to division a number by 2.
Java example Program for right shift a number

Program:-

import java.util.Scanner;
class group{
public static void main(String arg[]){
int num;
Scanner data = new Scanner(System.in);
System.out.println("Enter a number");
num = data.nextInt();
num=num>>2;
System.out.println("Answer:"+num);
}
}

Output:-

Enter a number
8
Answer:2

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Java program to multiple a number by 2.
Java example Program for left shift a number

Program:-

import java.util.Scanner;
class group{
public static void main(String arg[]){
int num;
Scanner data = new Scanner(System.in);
System.out.println("Enter a number");
num = data.nextInt();
num=num<<2;
System.out.println("Answer:"+num);
}
}

Output:-

Enter a number
5
Answer:20

Output:-

Enter a number
25
Answer:100
 

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Program:-

import java.util.Scanner;

class group{
public static void main(String angt[]){
Scanner data = new Scanner(System.in);
double num1, num2, num;
int sign;
// Reading a sign
System.out.println("Enter 1 for addition 2 for subtraction \n 3 for multiplication 4 for division");
sign=data.nextInt();
System.out.println("Enter 1st number");
num1=data.nextDouble();
System.out.println("Enter 2nd number");
num2=data.nextDouble();
switch(sign)
{
case 1:
num = num1+num2;
System.out.println("Answer"+num);
break;
case 2:
num = num1-num2;
System.out.println("Answer"+num);
break;
case 3:
num = num1*num2;
System.out.println("Answer"+num);
break;
case 4:
num = num1/num2;
System.out.println("Answer"+num);
break;
default:
System.out.println("Invalid sign");
break;
}
}
}


Output:-

Enter 1 for addition 2 for subtraction
3 for multiplication 4 for division
1
Enter 1st number
2
Enter 2nd number
5
Answer7.0

Output:-

Enter 1 for addition 2 for subtraction
3 for multiplication 4 for division
2
Enter 1st number
23
Enter 2nd number
5

Output:-

Enter 1 for addition 2 for subtraction
3 for multiplication 4 for division
3
Enter 1st number
25
Enter 2nd number
6
Answer150.0

Output:-

Enter 1 for addition 2 for subtraction
3 for multiplication 4 for division
4
Enter 1st number
556
Enter 2nd number
9
Answer61.77777777777778

Output:-

Enter 1 for addition 2 for subtraction
3 for multiplication 4 for division
6
Enter 1st number
2
Enter 2nd number
3
Invalid sign

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Program:-

import java.util.Scanner;

class group{
public static void main(String angt[]){
Scanner data = new Scanner(System.in);
double num,i,fat=1;
// Reading a number
System.out.println("Enter a number to find factorial");
num=data.nextDouble();

for(i=1;i<=num;i++)
fat=fat*i;
System.out.println("Factorial of the number is:"+fat);
}
}

 Output:-

Enter a number to find factorial
4
Factorial of the number is:24.0

Output:-

Enter a number to find factorial
0
Factorial of the number is:1.0

Output:-

Enter a number to find factorial
15
Factorial of the number is:1.307674368E12

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Java program for find hyperbolic sine of a number

Java program for find hyperbolic cosine of a number

Java program for find hyperbolic tan of a number

Program:-

import java.util.Scanner;

class group{
public static void main(String angt[]){
Scanner data = new Scanner(System.in);
double num,num1;

System.out.println("Enter a number");
num1=data.nextDouble();

num=Math.sinh(num1);
System.out.println("hyperbolic sine Answer:"+num);

num=Math.cosh(num1);
System.out.println("hyperbolic cosine Answer:"+num);

num=Math.tanh(num1);
System.out.println("hyperbolic tan Answer:"+num);

}
}

Output:-

Enter a number
30
hyperbolic sine Answer:5.343237290762231E12
hyperbolic cosine Answer:5.343237290762231E12
hyperbolic tan Answer:1.0


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