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public void tansfer(int i) {
String name = Thread.currentThread().getName();
synchronized (People2.class) {
int sum = saving;
sum += i;
System.out.println(name + "转账" + i + "元,余额共有" + sum + "元");
saving = sum;
}
}
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
Logger.getLogger(SubClass.class.getName()).log(Level.SEVERE, null, ex);
}