how to write square of a number in java code example
Example 1: java square a number
//To square:
int i = 2;
int square = Math.pow(i, 2);
//To cube:
int i = 2;
int cube = Math.pow(i, 3);
//To nth power:
int i = 2;
int nthPower = Math.pow(i, 4);
Example 2: square root of a number in java
Scanner in=new Scanner(System.in);
int num=in.nextInt();
System.out.println(Math.sqrt(num)); // the sqrt function gives a value in 'double' data type.