Which datatype is not supported in C?
Data types not directly supported in many machine languages: multi-precision integer; linked list; hash table; character string.
Which data type can be used in switch statement?
A switch works with the byte , short , char , and int primitive data types. It also works with enumerated types (discussed in Enum Types), the String class, and a few special classes that wrap certain primitive types: Character , Byte , Short , and Integer (discussed in Numbers and Strings).
Which operators are not allowed in switch statement?
No you can not. Relational operators (<,<=,>,>=) results in boolean and which is not allowded. All of the following must be true, or a compile-time error occurs: Every case constant expression associated with a switch statement must be assignable (§5.2) to the type of the switch Expression.
What is type not supported by the value is switch statement?
1) The expression used in switch must be integral type ( int, char and enum). Any other type of expression is not allowed.
Which datatype is not supported by C but supported by Java?
Union and structure datatypes are supported by C. Java does not supports union and structures.
What are the limitations of switch-case statement?
Disadvantages of switch statements
- float constant cannot be used in the switch as well as in the case.
- You can not use the variable expression in case.
- You cannot use the same constant in two different cases.
- We cannot use the relational expression in case.
What are the 4 different data types?
Data types
- String (or str or text). Used for a combination of any characters that appear on a keyboard, such as letters, numbers and symbols.
- Character (or char). Used for single letters.
- Integer (or int). Used for whole numbers.
- Float (or Real).
- Boolean (or bool).
Which variable types are not allowed in switch statement?
Which data types are not allowed in switch statement in Java?
Some Important rules for switch statements : Duplicate case values are not allowed. The value for a case must be of the same data type as the variable in the switch. The value for a case must be a constant or a literal. Variables are not allowed.
Which datatype is not supported by switch statement in Java?
The value of the ‘expression’ in a switch-case statement must be an integer, char, short, long. Float and double are not allowed.
Which is not supported by Java?
Q) Which inheritance in java programming is not supported NOTE: Java does not support multiple inheritance of classes but it supports multiple inheritance for interfaces. Means, a class cannot inherit more than one class but it can inherit and implement multiple interfaces.