Differences between Python and Java
The following are the major differences of Python and Java.
Java | Python |
---|---|
Java | Python |
Java is object-oriented programming language. Functional programming features are introduced into Java 8.0 through lambda expressions. | Python blends the functional programming with object-oriented programming features. Lambdas are already available in Python. |
Java language type discipline is static and weak. | Python type discipline is dynamic and strong. |
It is compulsory to declare the datatypes of variables, arrays etc. in Java. | Type declaration is not required in Python. |
Java programs are verbose. It means they contain more number of lines. | Python programs are concise and compact. A big program can be written using very less number of lines. |
In Java, the collection objects like Stack, LinkedList or Vector store only objects but not primitive datatypes like integer numbers. | Python collection objects like lists and dictionaries can store objects of any type, including numbers and lists. |
Memory allocation and deal location is done automatically by JVM (Java Virtual Machine). | Memory allocation and deal location is done automatically by PVM (Python Virtual Machine). |
The variable in for loop does not increment automatically. But in for each loop, it will increment automatically. | The variable in the for loop increments automatically. |
A semicolon is used to terminate the statements and comma is used to separate expressions. | New line indicates end of the statements and semicolon is used as an expression separator. |
Indentation of statements is not necessary in Java. | Indentation is required to represent a block of statements. |
Java has do… while, while, for and for each loops. | Python has while and for loops. |
Java has switch statement or block. | Python does not have switch statement or block. |
Java supports single and multi-dimensional arrays. | Python supports only single dimensional arrays. To work with multi-dimensional arrays, we should use third party applications like numpy. |
The array index should be a positive integer. | Array index can be positive or negative integer number. Negative index represents locations from the end of the array. |
Checking the location outside the allocation of an array is not supported in Java. | Python performs checking outside an array for all iterations while looping. |