Java Integer bitCount() method25 Mar 2025 | 2 min read The bitCount() is a method of Integer class under java.lang package. It returns the number of one-bits in the two's complement binary representation of the specified int value. This function is sometimes referred to as the population count. SyntaxFollowing is the declaration of bitCount() method: Parameter:
Returns:The bitCount() method returns the number of one-bits in the two's complement binary representation of the specified int value. Exceptions:NA Compatibility Version:Java 1.5 and above Example 1Output: 100011 3 Example 2Output: Entered Integer number is: 97 Binary Conversion: 1100001 Number of 1's bit are: 3 Example 3Output: Enter the Integer value: 23 The input number is: 23 Binary Conversion: 10111 Number of 1's bit are: 4 Next TopicJava-integer-bytevalue-method |
Java Method The shortValue() method of Java Integer class returns the value of this Integer as a short type after a primitive conversion. It overrides the shortValue() method of Number Class. Syntax: Following is the declaration of shortValue() method: public static int shortValue() Parameter: DataType Parameter Description NA NA This method does not take any...
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Java Integer.parseInt() Method The Java parseInt() method is a method of Integer class that belong to java.lang package. The parseInt() method in Java is crucial for converting string representations of numbers into actual integer values. This capability is fundamental in various programming scenarios, such as when...
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Java method The byteValue() is a method of byte class under java.lang package. It converts the given number into a primitive byte type and returns the value of integer object as byte. Also, it override the byteValue() method of Number class. Syntax Following is the declaration of...
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Java Method The divideUnsigned() is a method of Java Integer class which returns the unsigned quotient of dividing the first argument by the second argument where each argument and the result is interpreted as an unsigned value. Syntax: Following is the declaration of divideUnsigned() method: public static int...
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Java Method The remainderUnsigned() method is a method of Java Integer class which returns the unsigned remainder of dividing the first argument by the second argument where each argument and the result is interpreted as an unsigned value. Syntax: Following is the declaration of remainderUnsigned() method: public static...
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Java Method The signum() method of Java Integer class returns the signum function of the specified int value in the method argument. The signum function can be computed as: -1, if the specified number is negative. 0, if the specified number is zero. 1, if the specified number...
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Java Method The reverse() method of Java Integer class numerically returns the value obtained by reversing the order of the bits in the 2's complement binary representation of the specified integer value. Syntax: Following is the declaration of reverse() method: public static int reverse(int i) Parameter: DataType Parameter Description Required/Optional int i Integer value whose bits...
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Java method The decode() method is a static method of Integer class under java.lang package. The main function of this method is to decode a string which is written in the form of (" ") into an integer value. The decode() method also accepts decimal, hexadecimal,...
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Java Method The sum() method of Java Integer class numerically returns the sum of its arguments specified by a user. This method adds two integers together as per the + operator. It can be overloaded and accepts the arguments in int, double, float and long. Note:...
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Java Method The toString() method of Java Integer class is used to get a String object representing the value of the Number Object. There are three different types of Java toString() method which can be differentiated depending on its parameter. These are: Java Method Java Integer...
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