數(shù)學類toDegrees()方法 (Math class toDegrees() method)

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

  toDegrees()方法在java.lang包中可用。

• toDegrees() method is used to convert an angle from radians to degrees.

  toDegrees()方法用于將角度從弧度轉(zhuǎn)換為度。

• toDegrees() method is a static method, it is accessible with the class name too.

  toDegrees()方法是一個靜態(tài)方法，也可以使用類名進行訪問。

• toDegrees() method does not throw any exception.

  toDegrees()方法不會引發(fā)任何異常。

Note: The result of conversion an angle from radians to degrees is not generally exact.

注意：將角從弧度轉(zhuǎn)換為度的結果通常不準確。

Syntax:

句法：

public static double toDegrees(double angle_in_radians);

Parameter(s):

參數(shù)：

• angle_in_radians – represents the values of an angle in radians.

  angle_in_radians –表示以弧度為單位的角度值。

Return value:

返回值：

The return type of this method is double – it returns the converted angle from radians to degrees.

這種方法的返回類型是雙 -它返回從弧度到度轉(zhuǎn)換后的角度。

Java程序演示toDegrees()方法的示例 (Java program to demonstrate example of toDegrees() method)

// Java program to demonstrate the example of // toDegrees(double angle_in_radians) method of Math Classpublic class ToDegreesMethod {public static void main(String[] args) {// declaring the variablesdouble d1 = 60;double d2 = -60;double d3 = 90;double d4 = -90;// displaying the valuesSystem.out.println("Angel values in radians...");System.out.println("d1: " + d1);System.out.println("d2: " + d2);System.out.println("d3: " + d3);System.out.println("d4: " + d4);// converting angel value from radians to degreesd1 = Math.toDegrees(d1);d2 = Math.toDegrees(d2);d3 = Math.toDegrees(d3);d4 = Math.toDegrees(d4);System.out.println("Angel values in degrees...");System.out.println("d1: " + d1);System.out.println("d2: " + d2);System.out.println("d3: " + d3);System.out.println("d4: " + d4);} }

Output

輸出量

E:\Programs>javac ToDegreesMethod.java E:\Programs>java ToDegreesMethod Angel values in radians... d1: 60.0 d2: -60.0 d3: 90.0 d4: -90.0 Angel values in degrees... d1: 3437.746770784939 d2: -3437.746770784939 d3: 5156.620156177409 d4: -5156.620156177409

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

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