Garbage collection in java?

1019

---

How do you test a method for an exception using junit?

1210

---

Can a constructor call another constructor?

983

---

Explain 5 features introduced in jdk 1.7?

1029

---

Can we use a switch statement with strings?

1054

---

Can we have a try block without catch block?

986

---

How do you check if a string contains only numeric digits?

1121

---

Is it possible to cast an int value into a byte variable? What would happen if the value of int is larger than byte?

955

---

Differentiate between a constructor and a method? Can we mark constructors final?

1198

---

What is the difference between heap and stack memory?

1198

---

What do you understand by java?

993

---

Explain 5 io best practices?

1034

---

What are the differences between throw and throws?

1073

---

What is the difference between jvm and jre? What is an interface?

1100

---

What is the numeric promotion?

1028

---