Java2007-09-07
Relational Operators in Java
The relational operators determine the relationship that one operand has to the other. Specifically, they determine equality and ordering. The relational operators are shown here:
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Java2007-09-07
Unsigned right shift operator in Java
The >> operator automatically fills the high-order bit with its previous contents each time a shift occurs. This preserves the sign of the value. However, sometimes this is undesir
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right shift operator, >>, in Java
The right shift operator, >>, shifts all of the bits in a value to the right a specified number of times. Its general form is shown here:
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left shift operator, <<, in Java
The left shift operator,
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Bitwise logical operators in Java
The bitwise logical operators are &, |, ^, and ~. The following table shows the outcome of each operation. In the discussion that follows, keep in mind that the bitwise operators a
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Bitwise operators in Java
Java defines several bitwise operators which can be applied to the integer types, long, int, short, char, and byte. These operators act upon the individual bits of their operands.
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Java2007-09-07
Multidimensional or arrays of arrays in Java
In Java, multidimensional arrays are actually arrays of arrays. These, as you might expect, look and act like regular multidimensional arrays. However, as you will see, there are a
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Using One-Dimensional Arrays in Java
A one-dimensional array is, essentially, a list of like-typed variables. To create an array, you first must create an array variable of the desired type. The general form of a one-
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how to use boolean data type in Java
Java has a simple type, called boolean, for logical values. It can have only one of two possible values, true or false. This is the type returned by all relational operators, such
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char data type in Java
In Java, the data type used to store characters is char. However, C/C++ programmers beware: char in Java is not the same as char in C or C++. In C/C++, char is an integer type that
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float vs double data types in Java
Floating-point numbers, also known as real numbers, are used when evaluating expressions that require fractional precision. For example, calculations such as square root, or transc
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Integer: byte, short, int, and long data types in Java
Java defines four integer types: byte, short, int, and long. All of these are signed, positive and negative values. Java does not support unsigned, positive-only integers. Many oth
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