Update in online compiler (#6533)

* Update in Java Compiler and in C Compiler

Add Compiler in Java and C section

* Update in online compiler.

Add Jdoodle compiler in Java and Programiz - C Compiler in C.

* Update more/free-programming-playgrounds.md

Co-authored-by: David Ordás <[email protected]>

* Update more/free-programming-playgrounds.md

Co-authored-by: David Ordás <[email protected]>

* Update more/free-programming-playgrounds.md

Co-authored-by: David Ordás <[email protected]>

* Update more/free-programming-playgrounds.md

Co-authored-by: David Ordás <[email protected]>

* Updated

Please Review

Co-authored-by: David Ordás <[email protected]>

Author: veerbhadrasolanki

Diff for: more/free-programming-playgrounds.md

@@ -47,6 +47,8 @@
 
 ### <a name="c"></a>C
 
+* [JDoodle - Online C Compiler IDE](https://www.jdoodle.com/c-online-compiler/)
+* [Programiz - Online C Compiler](https://www.programiz.com/c-programming/online-compiler/)
 * [SoloLearn](https://code.sololearn.com/c)
 
 
@@ -134,6 +136,9 @@
 
 ### Java
 
+* [JDoodle - Online Java Compiler Advanced IDE](https://www.jdoodle.com/online-java-compiler-ide/)
+* [JDoodle - Online Java Compiler IDE](https://www.jdoodle.com/online-java-compiler/)
+* [Programiz - Online Java Compiler](https://www.programiz.com/java-programming/online-compiler/)
 * [repl.it](https://repl.it) (_including a separate Java/Swing_)
 * [SoloLearn](https://code.sololearn.com/java)