夜子まま塾講義2（javaのクラスとメソッド）

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Re:Kayo-System Co.,Ltd.

2012 2 21


2012 2 21

package ykmjuku.sample.app;

public class HelloMain {
public static void main(String[] args) {
System.out.println("Hello World");
}
}


2012 2 21

package ykmjuku.sample.app; package ykmjuku.sample.app;

public class Hoge { public class HelloMain {
} Hoge hoge = new Hoge();
}
}


2012 2 21


public class Hoge {

}


public class Hoge {

public Hoge(int n){

}
}
Hoge hoge = new Hoge();


2012 2 21


public class Hoge {
class MyClass {

}
} public static void main(String[] args) {

Hoge.MyClass c = new Hoge.MyClass();
}
}


2012 2 21


import ykmjuku.sample.app2.Fuga;

Fuga fuga = new Fuga();
}
}


2012 2 21


ykmjuku.sample.app2.Fuga fuga = new ykmjuku.sample.app2.Fuga();
}
}


2012 2 21


public class HelloMain { public class Hoge {
public static void main(String[] args) { int hello(){
Hoge hoge = new Hoge(); System.out.println("Hello World");
hoge.hello(); return 0;
} }
} }


2012 2 21


public class Hoge {
void hello(){
}
hoge.hello();
static void hello2(){
Hoge.hello2();
}
}
}
}


2012 2 21


public class HelloMain { public class Hoge {
public static void main(String[] args) { int mCount;
System.out.println("1 "); void print(){
System.out.println(mCount);
hoge.print();
}
hoge.countUp();
System.out.println("2 ");
void countUp(){
hoge.print(); mCount = mCount + 1;
} }
} }

1
0
2
1


2012 2 21

package ykmjuku.sample.app2;

public class Fuga {
public class MyClass {
void println(){
this.hello();
}
void hello(){
System.out.println("MyClass Hello");
}
}

void hello(){
System.out.println("Fuga Hello");
}

public void func(){
new MyClass().println();
}
}


2012 2 21

夜子まま塾講義2（javaのクラスとメソッド）

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