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📄 model.java

📁 这是一个关于java面板的程序样例
💻 JAVA
字号:
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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