第6章

コード06-01

Calc.java

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = tasu(a, b);
    int delta = hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-02

CalcLogic.java

public class CalcLogic {
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-03

Calc.java

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = tasu(a, b);
    int delta = hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
}

コード06-04

Calc.java

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = CalcLogic.tasu(a, b);
    int delta = CalcLogic.hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
}

CalcLogic.java

public class CalcLogic {
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-05

Calc.java

package calcapp.main;

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = CalcLogic.tasu(a, b);
    int delta = CalcLogic.hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
}

コード06-06

CalcLogic.java

package calcapp.logics;

public class CalcLogic {
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-07

Calc.java

package calcapp.main;

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = calcapp.logics.CalcLogic.tasu(a, b);
    int delta = calcapp.logics.CalcLogic.hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
}

CalcLogic.java

package calcapp.logics;

public class CalcLogic {
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-08

Calc.java

package calcapp.main;
import calcapp.logics.CalcLogic;

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = CalcLogic.tasu(a, b);
    int delta = calcapp.logics.CalcLogic.hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
}

CalcLogic.java

package calcapp.logics;

public class CalcLogic {
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-09

Calc.java

package calcapp.main;
import calcapp.logics.*;

public class Calc {
  public static void main(String[] args) {
    int a = 10; int b = 2;
    int total = CalcLogic.tasu(a, b);
    int delta = calcapp.logics.CalcLogic.hiku(a, b);
    System.out.println("足すと" + total + "、引くと" + delta);
  }
}

CalcLogic.java

package calcapp.logics;

public class CalcLogic {
  public static int tasu(int a, int b) {
    return (a + b);
  }
  public static int hiku(int a, int b) {
    return (a - b);
  }
}

コード06-10

Main.java

public class Main {
  public static void main(String[] args) {
    int[] heights = {172, 149, 152, 191, 155};
    java.util.Arrays.sort(heights);
    for (int h : heights) {
      System.out.println(h);
    }
  }
}