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Top 30 Eclipse Keyboard Shortcuts for Java Programmer 30 Eclipse keyboard shortcut for Java programmers which can improve speed and productivity. Eclipse shortcuts for finding classes, methods, debugging, navigation, javadoc and coding.

import java.util.*;
class Dog
{
public Dog(String n){name=n;}
public String name;
public boolean equals(Object o)
{
if((o instanceof Dog) &&(((Dog)o).name==name)){

return true;}
else{ return false;
}
}

public int hashCode(){return name.length();}
}
class Cat
{
}

enum Pets{DOG,CAT,HORSE}

class MapTest
{
public static void main(String[] args)
{
Mapm=new HashMap();
m.put("k1",new Dog("aiko"));
m.put("k2",Pets.DOG);
m.put(Pets.CAT,"CAT KEY");
Dog d1=new Dog("clover");
m.put(d1,"Dog key");
m.put(new Cat(),"Cat Key");
System.out.println(m.get("k1"));
System.out.println(m.get("k2"));
Pets p=Pets.CAT;
System.out.println(m.get(p));
System.out.println(m.get(d1));
System.out.println(m.get(new Cat()));
System.out.println(m.size());
d1.name="magnolia";
System.out.println(m.get(d1));
d1.name="clover";
System.out.println(m.get(new Dog("clover")));
d1.name="arthur";
System.out.println(m.get(new Dog("clover")));

}
}

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