1 introduction 2 what is the features of Java 3 what are the differences between C++ and Java 4 OOP concepts including oops pullers 5 why Java is not 100% object oriented programming 6 why Java is platform independent 7 what are the differences between JDK JRE and JVM 8 Why Java doesn't support multiple inheritance 8 what are the differences between method overloading and method overriding 9 what is incapsulation. 10 what is exception handling 11 what are the differences between This keyword and super keyword 12 why we make static variable and static method 13 what is abstruction what are the differences between abstract class and interface 14 what is array 15 what is string. why we use string 16 why Java doesn't support pointer. Tell me something about pointer 17 write a program to swape two numbers without using third variable 18 write a program to find maximum number in array 19 write a program to check leap year 20 write a program to find prime number