Difference between hashmap and hashtable?

1235

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What if the static modifier is removed from the signature of the main method?

1307

---

Name the eight primitive java types.

1206

---

What modifiers may be used with an interface declaration?

1194

---

What is the purpose of the wait(), notify(), and notifyall() methods?

1088

---

Do I need to import javlang package any time? Why ?

1154

---

To what value is a variable of the string type automatically initialized?

1177

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Which containers use a border layout as their default layout?

1208

---

Is a class a subclass of itself?

1320

---

Name three subclasses of the component class?

1164

---

Name three component subclasses that support painting?

1126

---

What is synchronization and why is it important?

1196

---

What is the difference between the font and fontmetrics classes?

1219

---

When a thread blocks on i/o, what state does it enter?

1159

---

How many times may an objects finalize() method be invoked by the garbage collector?

1145

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