Why is string immutable in java?

1152

---

Can constructors be synchronized in java?

1181

---

What is a class loader? What are the different class loaders used by jvm?

1170

---

What are various types of class loaders used by jvm?

1051

---

Is jvm a overhead?

1171

---

What is the difference between long.class and long.type?

1184

---

What is the difference between system.out ,system.err and system.in?

1173

---

What is a class loader?

2116

---

Explain the different types of memory used by jvm?

1208

---

Which are the different segments of memory?

1158

---

Difference between new operator and class.forname().newinstance()?

1184

---

What is metaspace?

1101

---

What are the design considerations while making a choice between using interface and abstract class?

1149

---

What is permgen or permanent generation?

1092

---

Difference between loadclass and class.forname?

1107

---