Table of Contents
What does Java have but C++ does not?
Java is both Compiled and Interpreted Language. C++ has only Compiled Language. Memory Management is System Controlled.
Which keywords in Java are not in use?
The keywords const and goto are reserved, even though they are not currently used. true , false , and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs.
Which feature is not common in Java and C++?
No destructor in Java as well as ‘delete’ since garbage collector performs this operation for it. No friend classes or friend functions in Java. There are no pointers in Java.
Which one is not keywords in C++?
A list of 30 Keywords in C++ Language which are not available in C language are given below.
| asm | dynamic_cast | bool |
|---|---|---|
| explicit | new | catch |
| operator | template | class |
| this | inline | const_cast |
| delete | mutable | try |
How different is C++ from Java?
KEY DIFFERENCE: C++ uses only compiler, whereas Java uses compiler and interpreter both. C++ supports both operator overloading & method overloading whereas Java only supports method overloading. C++ supports structures whereas Java doesn’t supports structures.
What is the different between C++ and Java?
Answer: The main difference between C++ and Java is that C++ is only a compiled language while Java is both compiled and interpreted. However, Java source code is converted into bytecode by its compiler and following that, the Java interpreter executes this bytecode at runtime and produces output.
In which this keyword Cannot be used?
The “this” keyword is used as a reference to an instance. Since the static methods doesn’t have (belong to) any instance you cannot use the “this” reference within a static method. And main method is static therefore, you cannot use the “this” reference in main method.
Which features are not in Java?
2) Which of the following is not a Java features? Explanation: The Java language does not support pointers; some of the major reasons are listed below: One of the major factors of not using pointers in Java is security concerns. Due to pointers, most of the users consider C-language very confusing and complex.
What are the C++ keywords?
C++ provides 64 keywords – for, break, continue, switch, int float, double, char, try, catch, while, etc.
What is a keyword list some Java keywords?
A list of Java keywords or reserved words are given below: abstract: Java abstract keyword is used to declare an abstract class. boolean: Java boolean keyword is used to declare a variable as a boolean type. It can hold True and False values only. break: Java break keyword is used to break the loop or switch statement.
What is not a keyword in Java?
New in Java 10 Note: true, false, and null are not keywords, but they are literals and reserved words that cannot be used as identifiers.
What is a keyword in C language?
A keyword is a reserved word. You cannot use it as a variable name, constant name, etc. There are only 32 reserved words (keywords) in the C language. We will learn about all the C language keywords later.
What are the reserved words or keywords in Java?
A list of Java keywords or reserved words are given below: abstract: Java abstract keyword is used to declare abstract class. Abstract class can provide the implementation of interface. It can have abstract and non-abstract methods. boolean: Java boolean keyword is used to declare a variable as a boolean type.
Which keyword is used to declare a variable in Java?
1 abstract: Java abstract keyword is used to declare abstract class. 2 boolean: Java boolean keyword is used to declare a variable as a boolean type. 3 break: Java break keyword is used to break loop or switch statement. 4 byte: Java byte keyword is used to declare a variable that can hold an 8-bit data values.