Java的4种代码块public class Child {static Object ostatic {o new Object()}public void doto() {sy
Java的4种代码块
public class Child {static Object o;static {o = new Object();}public void doto() {synchronized (o) {}}}?
Java的4种代码块
public class Child {static Object o;static {o = new Object();}public void doto() {synchronized (o) {}}}?