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使用Math.abs查找float,int,double和long的绝对值
//来 自 NowJava.com public class Main { public static void main(String[] args) { int i = 8; int j = -5; System.out.println("Absolute value of " + i + " is :" + Math.abs(i)); System.out.println("Absolute value of " + j + " is :" + Math.abs(j)); float f1 = 10.40f; float f2 = -50.28f; System.out.println("Absolute value of " + f1 + " is :" + Math.abs(f1)); System.out.println("Absolute value of " + f2 + " is :" + Math.abs(f2)); /* N o w J a v a . c o m 提 供 */ double d1 = 43.324; double d2 = -349.324; System.out.println("Absolute value of " + d1 + " is :" + Math.abs(d1)); System.out.println("Absolute value of " + d2 + " is :" + Math.abs(d2)); long l1 = 34; long l2 = -439;