How to prevent to create multiple objects of a java class?

3 Answers   ASD Lab, TCS,

---

Which method you will use to create a new file to store some log data. Each time a new log entry is necessary, write string to the file in java ?

0 Answers   HCL,

---

What is an 8 bit word?

0 Answers  

---

Can you explain the usages of class.forname()?

0 Answers  

---

What is garbage collection? Can it be forced to run?

0 Answers   Global Logic,

---

---

Explain, why the constructor is required in implemented class?

4 Answers  

---

What is meant by bytecode?

0 Answers  

---

what is the output ? Math.floor(-2.1) a)2 b)-2 c)-3.0 d)0

4 Answers   Accenture,

---

Can we use return in constructor?

0 Answers  

---

Mention the default values of all the elements of an array defined as an instance variable.

0 Answers  

---

What is the difference between a field variable and a local variable?

0 Answers  

---

what is the diff between Servletcontext and servletconfig?

5 Answers  

---