model.java
来自「这是一个关于java面板的程序样例」· Java 代码 · 共 73 行
JAVA
73 行
package frame;
public class Model {
double a1;
double a2;
char a;
public void setOperate(char op) {
this.a = op;
}
public double getA1() {
return a1;
}
public void setA1(double a1) {
this.a1 = a1;
}
public double getA2() {
return a2;
}
public void setA2(double a2) {
this.a2 = a2;
}
public double add() {
return a1 + a2;
}
public double plus() {
return a1 - a2;
}
public double che() {
return a1 * a2;
}
public double chu() {
return a1 / a2;
}
public double mod() {
return a1 % a2;
}
public String eval() {
String retuval = null;
double x = 0.0d;
switch (a) {
case '+':
x = a1 + a2;
break;
case '-':
x = a1 - a2;
break;
case '*':
x = a1 * a2;
break;
case '/':
x = a1 / a2;
break;
case '%':
x = a1 % a2;
break;
}
retuval=Double.toString(x);
return retuval;
}
}
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