simpleformat.java

来自「thinking in java 书中源码 第四版」· Java 代码 · 共 19 行

//: strings/SimpleFormat.java

public class SimpleFormat {
  public static void main(String[] args) {
    int x = 5;
    double y = 5.332542;
    // The old way:
    System.out.println("Row 1: [" + x + " " + y + "]");
    // The new way:
    System.out.format("Row 1: [%d %f]\n", x, y);
    // or
    System.out.printf("Row 1: [%d %f]\n", x, y);
  }
} /* Output:
Row 1: [5 5.332542]
Row 1: [5 5.332542]
Row 1: [5 5.332542]
*///:~