What are the rules to define a functional interface?

1067

---

Is is possible to define our own functional interface?

1063

---

What is a functional interface? What is sam interface?

1117

---

Is it possible to provide method implementations in java interfaces? If possible, how do we provide them?

958

---

Differences between functional programming and object-oriented programming?

1066

---

What is a static method? Why do we need static methods in java 8 interfaces?

1208

---

What is multiple inheritance? How java 8 supports multiple inheritance?

1103

---

What are different ways to create string object?

1149

---

What is a default method? Why do we need default methods in java 8 interfaces?

1088

---

Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?

1169

---

What is diamond inheritance problem? How java 8 solves this problem?

1077

---

What is @functionalinterface?

1013

---

What is the default access modifier in a class?

1019

---

What is static and dynamic Binding?

1083

---

What are all the operators that cannot be overloaded?

980

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