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byte
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8 bits
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short
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16 bits
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int
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32 bits
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long
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64 bits
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boolean
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1 bit
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char
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16 bit unicode
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float
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32 bit decimal
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double
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64 bit decimal
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-128 to 127
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-27 to 27 -1
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Default value is : 0
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Byte data type is used to save space in large arrays, mainly in place of integers, since a byte is four times smaller than an int
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-32,768 to 32,767
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-215 to 215 -1
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Short data type can also be used to save memory as byte data type. A short is 2 times smaller than an int
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-231 to 231-1
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default data type
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Default value is : 0L
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long Variable_Name = Value_L;
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true and false
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Default value is : false
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Unicode character
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char a = 'A';
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char japanese = "\u....."
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Decimal number
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Double
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64 bits/ 8 bytes
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Float
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32 bits / 4 bytes
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mydouble = 0.1d
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doublesci = 1.23e2 (scientific notation)
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myfloat = 0.1f
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a=30
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b=15
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+
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Addition
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a+b = 45
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-
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Subtraction
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a-b = 15
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*
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Multiplication
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a * b = 450
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/
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Division
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a / b = 2
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%
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Modulus
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a % b = 0
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++
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Increment
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Increases the value of operand by 1 Ex. b++ = 16
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--
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Decrement
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Decreases the value of operand by 1 Ex. b-- = 14
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==
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equal to
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!=
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not equal to
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>
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grater than
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<
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less than
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>=
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grater than or equal to
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<=
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less than or equal to
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
