public class FORMAT { public static void main(String[] args) { String name = "jerry"; int age = 50; System.out.printf("My name is %s, and I'm %d years old.%n", name, 55); System.out.format("%s is %d years old.%n", "George", age + 3); //printf与format用法一样 double cost = 83456.34567; String descOfPrice = String.format("\t%s got a 20%% off, so he paid $%,.3f for his new car.%n", "George", cost); System.out.print(descOfPrice); //注: //flags %,.3f //%% 来输出% //我们用%n来换行,而不用\n //%t 没用,还用\t } }
[Java]String.format(); System.out.printf(); System.out.format()
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