1. Write a java program to find the 2nd largest number in the array. (2 marks) 2. What is inheritance? State the different types of inheritance supported by java with example (2 marks) 3. Write a java program using Encapsulation for the following class diagram. Get the values of name, id and 2 marks from the user using getvalues() function. Calculate the average of 2 marks inside average () function. Display name, id and average inside display() function. Use necessary Java class and Java main class. Create Java Main class with your name ( 3 Marks) Student +name: String #ID: int -mi: float -m2: float +average() +display() +getvalues() 4. Write about various searching techniques and discuss their time complexities. [3 marks]