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This document defines common Java primitive data types including boolean, byte, short, int, long, float, double, and char along with their allowed value ranges. It also mentions string as a sequence of char values and common logical operators like &&, ||, and !=.
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- 1. && (and) || (or) != (xor) ! (not) Boolean true or false Byte 8-bit signed two's complement integer (-2^7 to 2^7-1, inclusive) Short 16-bit signed two's complement integer (-2^15 to 2^15-1, inclusive) Int 32-bit two's complement integer (-2^31 to 2^31-1, inclusive) Long 64-bit two's complement integer (-2^63 to 2^63-1, inclusive) Float 32-bit IEEE 754 single-precision float Double 64-bit IEEE 754 double-precision float Char 16-bit unsigned Unicode character (0 to 2^16-1, inclusive) String a sequence of Chars long 64 –9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 int 32 –2,147,483,648 to 2,147,483,647 short 16 – 32,768 to 32,767 byte 8 – 128 to 127