**Problem:-**Java Program to Calculate the Power of a Number or Given a cube of size n*n*n or Java program to find Square, Cube and Square Root of an integer or How to square a number in Java or Java Program to print square of numbers or Simple java Programmes: find Square and cube of a Number or java program to find square and cube of a number or Square and Cube Number Program in Java or Calculating Squares and Cubes in a table or Calculate Cube And Square Program in Java or Write a Java program to read integer (N) and print first three powers (N^1, N^2, N^3) example if user enters a 5 from keyboard then output should be 5, 25, 125 Means power of number in 1, 2, 3.

**Logic:-**For this problem We need to multiply number or we can use power function for that take an example for better understood this problem take a Number 5 as input and multiply with the same number again like 5 * 5 for cube we need to again multiply with the same number like 5 * 5 * 5 or we can use power function.

**Power Function Syntax:-**for given example x^y.

**pow(x, y)**

also, define the data type of x or y and here x is a number and y is the power of x.

**See Also:-**C Program To Read Integer (N) And Print First Three Powers (N^1, N^2, N^3)

### Method 1:- Simple Without Using Power Function

```
import java.util.Scanner;
import java.lang.*;
/* Program By Ghanendra Yadav
Visit http://www.programmingwithbasics.com
*/
public class threenum
{
public static void main(String args[])
{
int num,a,b,c;
Scanner sc = new Scanner(System.in);
System.out.print("Enter The Number :\n\n");
num = sc.nextInt();
a=num;
b=num*num;
c=num*num*num;
System.out.println("\nOutput Is = " + a + " ,"+ b +" ,"+ c +"\n\n");
}
}
```

### Method 2:- Using Power Function

import java.util.Scanner; import java.lang.*; /* Program By Ghanendra Yadav Visit http://www.programmingwithbasics.com */ public class threenum1 { public static void main(String args[]) { int num; double a,b,c; Scanner sc = new Scanner(System.in); System.out.print("Enter The Number :\n\n"); num = sc.nextInt(); a=Math.pow(num,1); b=Math.pow(num,2); c=Math.pow(num,3); System.out.println("\nOutput Is = " + a + " ,"+ b +" ,"+ c +"\n\n"); } }

**See Also:-**C++ Program To Read Integer (N) And Print First Three Powers (N^1, N^2, N^3)

**Output:-**

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