Question

utility of swap two numbers​

Answer 1

Answer:

public class SwapNumbers {

public static void main(String[] args) {

float first = 1.20f, second = 2.45f;

System.out.println("--Before swap--");

System.out.println("First number = " + first);

System.out.println("Second number = " + second);

// Value of first is assigned to temporary

float temporary = first;

// Value of second is assigned to first

first = second;

// Value of temporary (which contains the initial value of first) is assigned to second

second = temporary;

System.out.println("--After swap--");

System.out.println("First number = " + first);

System.out.println("Second number = " + second);

}

}

Explanation:

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