Java 机器人r无法解析

但这个问题无法解决。有什么想法吗？=/非常感谢

应该是：

public void method1 (int x) {
    if (x == 1) {
        try {
            Robot r = new Robot();
        } catch (AWTException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        r.mouseMove(50,50);

应该是：

public void method1 (int x) {
    if (x == 1) {
        try {
            Robot r = new Robot();
        } catch (AWTException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        r.mouseMove(50,50);

换成

public void method1 (int x) {
if (x == 1) {
    try {
        Robot r = new Robot(); // R is defined in the try block. It is not visible outside of this block.
    } catch (AWTException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    r.mouseMove(50,50); // R is not defined anymore here

换成

public void method1 (int x) {
if (x == 1) {
    try {
        Robot r = new Robot(); // R is defined in the try block. It is not visible outside of this block.
    } catch (AWTException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    r.mouseMove(50,50); // R is not defined anymore here

---

如果robot在调用.mouseMove方法时从未初始化会怎样？如果robot在调用.mouseMove方法时从未初始化会怎样？