整數(shù)類highestOneBit()方法 (Integer class highestOneBit() method)

• highestOneBit() method is available in java.lang package.

  maximumOneBit()方法在java.lang包中可用。

• highestOneBit() method is used to find almost only single 1's bit from the leftmost side one bit in the path of the highest order of the given parameter [value] of integer type.

  maximumOneBit()方法用于在整數(shù)類型的給定參數(shù)[value]的最高階路徑中，從最左側(cè)的一位開始幾乎只查找一位。

• highestOneBit() method is a static method, it is accessible with the class name too and if we try to access the method with the class object then also we will not get an error.

  maximumOneBit()方法是一個(gè)靜態(tài)方法，也可以使用類名進(jìn)行訪問，如果我們嘗試使用類對(duì)象訪問該方法，則也不會(huì)出錯(cuò)。

• highestOneBit() method does not throw an exception at the time of determining the highest order bit in single digit.

  maximumOneBit()方法在確定一位數(shù)的最高位時(shí)不會(huì)引發(fā)異常。

Syntax:

句法：

public static int highestOneBit (int value);

Parameter(s):

參數(shù)：

• int value – represents the integer value to be parsed.

  int value –表示要解析的整數(shù)值。

Return value:

返回值：

The return type of this method is int, If the given argument is non-zero then, it returns at most only single 1's bit in the path of leftmost side one bit of the given integer value. If the given argument is zero then, it returns the value 0.

此方法的返回類型為int ，如果給定參數(shù)為非零，則它在給定整數(shù)值的最左側(cè)一位的路徑中最多僅返回單個(gè)1的位。 如果給定參數(shù)為零，則返回值0。

Example:

例：

// Java program to demonstrate the example // of highestOneBit (int value) method of Integer classpublic class HighestOneBitOfIntegerClass {public static void main(String[] args) {int value = 1296;// It returns the string representation of the given unsigned // integer value denoted by the argument in binary by calling// Integer.toBinaryString(value)System.out.println("Integer.toBinaryString(value): " + Integer.toBinaryString(value));// It returns the number with atmost 1's bits in the path of leftmost side // one bit in the given argument 'value' by calling Integer.highestOneBit(value)System.out.println("Integer.highestOneBit(value): " + Integer.highestOneBit(value));} }

Output

輸出量

Integer.toBinaryString(value): 10100010000 Integer.highestOneBit(value): 1024

翻譯自: https://www.includehelp.com/java/integer-class-highestonebit-method-with-example.aspx

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