04_流程控制语句

        //Incompatible types. Found: ‘boolean‘, required: ‘char, byte, short, int, Character, Byte, Short, Integer, String, or an enum‘
        //每个条件语句体后，都需要写break，不然会穿透到下一个条件中去
        int x = 10;
        boolean flag = true;
        switch (x) {
            case 10:
                System.out.println("这是5");
                //break;
            default:
                System.out.println("这是default");
                break;
        }

public static void main(String[] args) {
        String[] arr = {"x", "y", "z", "m"};
        for (String str : arr) {
            System.out.println(str);
        }
        System.out.println("====================");
        forear();
    }
    //.class文件反编译后
    public static void forear() {
        String[] arr = new String[]{"x", "y", "z", "m"};

        for (int i = 0; i < arr.length; ++i) {
            String var5 = arr[i];
            System.out.println(var5);
        }
    }