OpenJDKのインストールと実行方法

current_dir
+ classes
+ src
  + SampleClass.java
  + Test.java

public class Test {
    public static void main(String[] args) {
        System.out.println("import not use");
    }
}

current_dir>java Test.java
import not use

current_dir>javac Test.java

>java Test
import not use

package com.samplelib;

public class SampleClass {
    public SampleClass() {
    }

    public void print(String s) {
        System.out.println(s);
    }

    public int getInt() {
        return 100;
    }
}

current_dir>javac src\SampleClass.java -d classes

javac -classpath <参照jarファイルへのパス>; src\SampleClass.java -d classes

current_dir>jar cvf sampleLib.jar -C classes .

import com.samplelib.SampleClass;

public class Test {
    public static void main(String[] args) {
        SampleClass c = new SampleClass();
        c.print("import use");
    }
}

current_dir>java -classpath <sampleLib.jarへのパス>; Test.java
import use

current_dir>javac -classpath <sampleLib.jarへのパス>\sampleLib.jar; Test.java

current_dir>java -classpath <sampleLib.jarへのパス>\sampleLib.jar; Test
import use