Java String format() 方法示例. Java String getBytes() 方法示例 Java find the percentage of uppercas Java String format() 方法示例. public class HelloWorld { public static void main(String []args) { String name = "Hello World"; String s1 = String.format("name %s", name); String s2 = String.format("value %f",32.33434); String s3 = String.format("value %32.12f",32.33434); System.out.print(s1); System.out.print("\n"); System.out.print(s2); System.out.print("\n"); System.out.print(s3); System.out.print("\n"); } } Java String getBytes() 方法示例 Java find the percentage of uppercas