intermediate/NullAndInitialization

01 packagepackage is used to name the directory or folder a class is in intermediate;
02 
03 publicpublic is used to indicate unrestricted access (any other class can have access) classclass is a group of fields and methods used for making objects NullAndInitialization
04 {open braces start code blocks and must be matched with a close brace
05   privateprivate is used to restrict access to the current class only intint is the type for whole numbers and it is short for integer x;
06 
07   privateprivate is used to restrict access to the current class only String y;
08 
09   publicpublic is used to indicate unrestricted access (any other class can have access) intint is the type for whole numbers and it is short for integer getX()
10   {open braces start code blocks and must be matched with a close brace
11     returnreturn means to provide the result of the method and/or cease execution of the method immediately x;
12   }close braces end code blocks and must match an earlier open brace
13 
14   publicpublic is used to indicate unrestricted access (any other class can have access) String getY()
15   {open braces start code blocks and must be matched with a close brace
16     returnreturn means to provide the result of the method and/or cease execution of the method immediately y;
17   }close braces end code blocks and must match an earlier open brace
18 
19   publicpublic is used to indicate unrestricted access (any other class can have access) String toString()
20   {open braces start code blocks and must be matched with a close brace
21     returnreturn means to provide the result of the method and/or cease execution of the method immediately "x="+adds two numbers together or concatenates Strings togetherx+adds two numbers together or concatenates Strings together" and y="+adds two numbers together or concatenates Strings togethery;
22   }close braces end code blocks and must match an earlier open brace
23 }close braces end code blocks and must match an earlier open brace