编译原理——赋值语句和简单表达式（十六）

package per.eyuan.util;

public class FourItem {
String op;
String arg1;
String arg2;
String result;

public FourItem(String op, String arg1, String arg2, String result) {
super();
this.op = op;
this.arg1 = arg1;
this.arg2 = arg2;
this.result = result;
}

public FourItem() {
super();
}

public String getOp() {
return op;
}

public String getArg1() {
return arg1;
}

public String getArg2() {
return arg2;
}

public String getResult() {
return result;
}

public void setArg1(String arg1) {
this.arg1 = arg1;
}

public void setArg2(String arg2) {
this.arg2 = arg2;
}

public void setResult(String result) {
this.result = result;
}

}