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package designPattern.interpreter;

/**

* 封装变量的类

*/

public class Variable extends AbstractExpression {

// 声明存储变量名的成员变量

private String name;

public Variable(String name) {

this.name = name;

}

@Override

public int interpret(Context context) {

// 返回变量的值

return context.getValue(this);

}

@Override

public String toString() {

return name;

}

}