Which is better stringbuilder or stringbuffer?

929

---

How do I get a substring?

971

---

What is basic syntax?

1037

---

Is integer a class?

1077

---

Why is string builder not thread safe?

1060

---

What is the instance of an object?

1192

---

Is string a wrapper class?

1014

---

What is the generic function?

985

---

Is string an object?

1117

---

How do you replace all in word?

1062

---

How do you know if a value is nan?

1058

---

Does printwriter create a file?

957

---

How do you use wildcards?

1054

---

What is difference between string and stringbuffer?

1099

---

What are the special characters?

970

---