Runnable doHelloWorld = new Runnable() {
public void run() {
System.out.println("Hello World on " + Thread.currentThread());
}
};
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接口可以这么用!!!
刚在API上看到这个 ..接口可以这样?求解 Runnable doHelloWorld = new Runnable() { public void run() { System.out.println("Hello World on " + Thread.currentThread()); } };