Question

java 怎么把一个数变成百分比

Answer 1

import java.util.Scanner;

public class Percentage {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("please enter a number:");
		double x = sc.nextDouble();
		double x2 = x*100;
		System.out.println(x2+"%");
	}

}

Answer 2

float s = 0.98762f;
String.format("%.2f%%", s*100)