Java之StringFormat

package Demo_1_22_String;

public class StringFormat {
    public static void main(String[] args) {
        String name = "张三";
        int age = 19;
        double score = 98.212343;
        // 格式化输出
        String str = String.format("姓名：%s\n年龄：%d\n成绩：%5.2f", name, age, score);
        System.out.println(str);
    }
}