mathtest.java

来自「《Java核心技术应用开发》电子工业出版社书籍源代码」· Java 代码 · 共 31 行

/**
 * 演示了常用代数运算
 */
package sample;
public class MathTest {
  public static void main(String args[]) {
    
    int a = 1 + 2;
    int b = a * 3;
    int c = b / 4;
    int d = c - a;
    int e = -d;
    System.out.println("a = " + a);
    System.out.println("b = " + b);
    System.out.println("c = " + c);
    System.out.println("d = " + d);
    System.out.println("e = " + e);

    double da = 1 + 2;
    double db = da * 3;
    double dc = db / 4;
    double dd = dc - a;
    double de = -dd;
    System.out.println("da = " + da);
    System.out.println("db = " + db);
    System.out.println("dc = " + dc);
    System.out.println("dd = " + dd);
    System.out.println("de = " + de);
  }
}