Java vs Python
Java is a statically typed whereas python is dynamically typed.
Java and Python both are high-level programming languages.
Python is an interpreted language whereas Java is a compiler interpreter language.
Java uses // for a single line and /* */ for multiline comments, Python uses # for a single line and “”” and ‘’’ for a multiline comment.
Java variables have to be declared before using a variable, You need not explicitly declare variables in python. We can directly assign a value and start using it.
Python used newline to end statements whereas java uses a semicolon to end the statement.
Java uses braces to denote blocks, Python uses indentation to denote blocks and uses a colon for the preceding line.
Java uses a single quote for a single character and double quotes for string constants. Python allows single or double quotes for string or character constants.
Both Java and Python use Boolean to represent true or false.
Operators
Both uses = to indicate assignment.
Java uses && and || and ! for logical operator. Python uses and and or and not
Java uses a++, ++a, a=a+1, a+=1 to increment by 1. Python uses a+=1 and a=a+1. We can’t uses a++ and ++a in Python
Java uses <, <=, >, >=, ==, != operators. Python supports all these operatos and additionally python allows <> for !=.
Conditional statements
Java uses if, if else, else if ladder.
If (conditon) { body }
If(conditon) { body } else { body }
If (condition) { body } else if (conditon) {body}
Python uses if, elif, else
If <condition>:
<body intended>
elif <condition>:
<body intended>
else:
<body intended>
Loops
Both Java and python uses for and while loops but the syntax is different.
Java
For(declaration; condition; inc or dec)
For(<Type> <var>; <sequence>) { body}
While(cond) { body }
Python
For <variable> in sequence :
<body indented >
While <condition>:
<body indented>
Arrays
Java arrays uses squarebrackets [ ] to denote array, and uses braces { } to display an array
In python arrays are called lists and are denoted by square brackets.
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