Answer Posted / ganesh

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

public class MapEntrySetDemo {

public static void main(String[] argv) {

Map map = new HashMap();

map.put("Adobe", "Mountain View, CA");
map.put("IBM", "Mountain View, CA");
map.put("Learning Tree", "Los Angeles, CA");
map.put("Microsoft", "Redmond, WA");
map.put("Netscape", "Mountain View, CA");
map.put("O'Reilly", "Sebastopol, CA");
map.put("Sun", "Mountain View, CA");

Set entries = map.entrySet();
Iterator it = entries.iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
if("Mountain View, CA".equals(entry.getValue()))
{
System.out.println(entry.getKey() );

}
}
}
}

What is difference between this and super keyword?

1043

---

What do you mean by collectors in java 8?

980

---

What is qms certification?

995

---

what is comparable and comparator interface?

1040

---

Define interface in java?

1128

---

What is the purpose of a transient variable?

1117

---

Can we declare the static variables and methods in an abstract class?

1027

---

What must a class do to implement an interface in java programming?

1128

---

What is exception handling in java?

1079

---

Why synchronization is important?

1068

---

What are the Main functions of Java?

1129

---

What is the use of using enum to declare a constant?

1078

---

Which package is used for pattern matching with regular expressions?

1154

---

What is a default constructor and also define copy contrucyor?

1161

---

Can a function return a function?

1092

---