difference between ' ' and in javascript code example

Example 1: difference between == and === in javascript

0 == false   // true
0 === false  // false, because they are of a different type
1 == "1"     // true, automatic type conversion for value only
1 === "1"    // false, because they are of a different type
null == undefined // true
null === undefined // false
'0' == false // true
'0' === false // false

Example 2: difference between java and javascript

java is virtualised and compiled while javascript isn't.
javascript and java aren't that similar apart from beign 
both OOP.

Example 3: difference between java and javascript

java is an OOP language ,compiled with the jvm while javascript is an OOP interpreted by the browser