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涓嬮潰鏄竴涓畝鍗曠殑绀轰緥锛屾紨绀哄浣曞疄鐜伴摼寮忚皟鐢細

public class ChainExample {
    private int value;

    public ChainExample setValue(int value) {
        this.value = value;
        return this;
    }

    public ChainExample add(int num) {
        this.value += num;
        return this;
    }

    public ChainExample subtract(int num) {
        this.value -= num;
        return this;
    }

    public int getValue() {
        return this.value;
    }

    public static void main(String[] args) {
        ChainExample example = new ChainExample();
        int result = example.setValue(10)
                            .add(5)
                            .subtract(2)
                            .getValue();

        System.out.println("Result: " + result); // 杈撳嚭锛歊esult: 13
    }
}

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