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+public class SynchronizedExample {
+ private static final Object $LOCK = new Object[0];
+ private final Object $lock = new Object[0];
+ private final Object readLock = new Object();
+
+ public static void hello() {
+ synchronized($LOCK) {
+ System.out.println("world");
+ }
+ }
+
+ public int answerToLife() {
+ synchronized($lock) {
+ return 42;
+ }
+ }
+
+ public void foo() {
+ synchronized(readLock) {
+ System.out.println("bar");
+ }
+ }
+}