新・明解Java入門　演習5-2

En5_2.java

import java.util.Scanner;

public class En05_02 {
	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);
		System.out.println("変数xはfloat型で、変数yはdouble型です。");

		System.out.print("x :");
		float x = stdIn.nextFloat();

		System.out.print("y :");
		double y = stdIn.nextDouble();

		//float型は約5～7桁
		System.out.println("x = " + x);
		//double型は約15桁
		System.out.println("y = " + y);

	}
}