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Core Java Example programs for Beginners and Professionals

Core Java Example Programs

In this section you will find Solved Example Programs on Core Java for your practices, these programs are very important and most searched on the internet. Available each program contains their explanation, output with compile and run command.

Java is a platform independent Object Oriented programming Language, Java program can be run on any platform that contains platform specific JVM. Java compiler generate an intermediate BYTE Code that can run on any JVM – its JVM responsibility to convert byte code into machine code.

Core Java syntaxes are similar to C and C++ syntaxes and if you are familiar with C and C++ then you can easily learn and understand these programs.

List of all Core Java Example Programs

1. Java program to print used different characters (letters) in a string
2. Java program to print table of an integer number
3. Java program to get elapsed time in seconds and milliseconds
4. Java program to count divisors of an integer number
5. Java program to sort N names (strings) in ascending order
6. Java program to count total number of words in a string
7. Java program to print all prime numbers from 1 to N
8. Java program to extract digits/ numbers from the string
9. Java program to run an application - Run Exe using Java program
10. Java program to get list of files, directories from a directory
11. Java program to generate random numbers from 0 to given range
12. Java program to get Host Name by IP Address
13. Java program to get student details
14. Java program to get current system date and time
15. Java program to get input from user
16. Java program to add Two Matrices
17. Java program to Transpose a Matrix
18. Java program to print ODD Numbers from 1 to N
19. Java program to print EVEN Numbers from 1 to N
20. Java program to Reverse a String
21. Java program to Reverse a Number
22. Java program for Palindrome Number
23. Java program for Prime Number
24. Java program for Factorial
25. Java program for Fibonacci Series
26. Java program to find Area of Triangle
27. Java program to find Area of Rectangle
28. Java program to find Area of Circle
29. Java program to calculate Perimeter of Circle
30. EMI Calculator in Java - Java program to calculate EMI
31. Java program to calculate Simple Interest
32. Java program to find Largest of Three Numbers
33. Java program for Calculator
34. Java program for Addition of Two Numbers
35. Java program to print numbers from 1 to 10 using for loop
36. Java program to print numbers from 1 to 10 using while loop
37. Java program to print numbers from 1 to N using for loop
38. Java program to print numbers from 1 to N using while loop
39. Java program to find addition and subtraction of two matrices
40. How to accept input from keyboard in java?
41. Java program to add digits of a number
42. Java program to addition of one dimensional and two dimensional arrays
43. Java program to find addition of N integer numbers
44. Java program to convert Decimal to Binary
45. Java program to convert Decimal to Octal
46. Java program to check whether a given number is prime or composite (non-prime)
47. Java program to check whether a given number is palindrome or not
48. Java program to extract words from a given sentence