Java toRadians Function

The Java toRadians Function is one of the Java Math Library function which is used to converts an angle measured in degrees to an approximately equivalent angle measured in radians. In this article we will show you, How to use Java Math.toRadians function with example.

Java toRadians Function Syntax

The basic syntax of the Math.toRadians in Java Programming language is as shown below.

static double toRadians(double number); //Return Type is Double

// To use in program:

Math.toRadians(double number);

Number: It can be a an angle in degree for which you want to convert as a radian

Java toRadians Function Example

The Java Math.toRadians Function allows you to converts an degrees to an approximately equivalent angle measured in radians. In this Java program, We are going to find the radians of both positive and negative values and display the output

JAVA CODE

// Java Math.toRadians Function

package TrigonometricFunctions;

public class ToRadians {

public static void main(String[] args) {

double x = Math.toRadians(400.96 + 240.65 - 106.98);

System.out.println("toRadians Function result = " + x);

System.out.println("\nFinding Radians of Zero = " + Math.toRadians(0));

System.out.println("\nFinding Radians of Positive Number = " + Math.toRadians(104.95));

System.out.println("Finding Radians of Positive Number= " + Math.toRadians(156.28));

System.out.println("\nFinding Radians of Negative Number = " + Math.toRadians(-135.85));

System.out.println("Finding Radians of Negative Number = " + Math.toRadians(-9.35));

}

OUTPUT

ANALYSIS

First, We declared variable x of type Double and used the Java Math.toRadians function directly on expression. Here, we used System.out.println statement to print the radiant result as output.

1 2	double x = Math.toRadians(400.96 + 240.65 - 106.98); System.out.println("toRadians Function result = " + x);

Next, We used the Math.toRadians Function directly on Positive double values.

1 2	System.out.println("\nFinding Radians of Positive Number = " + Math.toRadians(104.95)); System.out.println("Finding Radians of Positive Number= " + Math.toRadians(156.28));

Next, We used the Math.toRadians Function directly on Negative double values.

1 2	System.out.println("\nFinding Radians of Negative Number = " + Math.toRadians(-135.85)); System.out.println("Finding Radians of Negative Number = " + Math.toRadians(-9.35));

Java toRadians on Array example

In this Java program we will show you, How to convert the bulk data to radians. Here, we are going to declare an Array of double type and convert the array elements to radians.

JAVA CODE

package TrigonometricFunctions;

public class ToRadiansOnArrays {

public static void main(String[] args) {

double [] myArray = {1, 30, 45, 60, 75, 90, 120, 180, 240, 360};

for (int i = 0; i < myArray.length; i++) {

System.out.format("Finding Radians of Array Element %.2f is = %.4f\n", myArray[i], Math.toRadians(myArray[i]));

}

OUTPUT

ANALYSIS

First, We declared a double Array and assigned some random degrees.

1	double [] myArray = {1, 30, 45, 60, 75, 90, 120, 180, 240, 360};

Next, We used the Java For Loop to iterate the Array. Within the For Loop, we initialized the i value as 0. Next, compiler will check the condition (i < myArray.length). Until the condition is False, statement inside the for loop will be executed.

TIP: myArray.length is used to find the length of an array.

1	for (int i = 0; i < myArray.length; i++) {

Below statement will print the output. If you observe the code snippet, we used the Math.toRadians Function directly inside the System.out.format statement. Here, compiler will call the Math.toRadians method ( static double toRadians(double number) ) to find the corresponding radiant values.

1	System.out.format("Finding Radians of Array Element %.2f is = %.4f\n", myArray[i], Math.toRadians(myArray[i]));

NOTE: If you want to find the radiant value of a single item then use: Math.toRadians(myArray[index_position])

Java toRadians Function on Arraylist example

In this Java program we are going to declare an Arraylist of double type and find the Radiant values of list elements.

JAVA CODE

package TrigonometricFunctions;

import java.util.ArrayList;

public class ToRadiansOnArrayList {

public static void main(String[] args) {

ArrayList<Double> myList = new ArrayList<Double>(5);

myList.add(Math.PI);

myList.add(Math.PI / 3);

myList.add(Math.PI / 4);

myList.add(Math.PI / 6);

myList.add(Math.PI / 9);

for (double x : myList) {

System.out.format("Finding Radians of ArrayList Item %.2f = %.4f \n", x, Math.toRadians(x));

}

OUTPUT

ANALYSIS

First, We declared an ArrayList of double type and assigned some random values. We used Math.PI constant (its value is approximately 3.14) to add the list items

ArrayList<Double> myList = new ArrayList<Double>(5);

myList.add(Math.PI);

myList.add(Math.PI / 3);

myList.add(Math.PI / 4);

myList.add(Math.PI / 6);

myList.add(Math.PI / 9);

Next, We used the For Loop to iterate the double values in ArrayList

1	for (double x : myList) {

Below statement will print the output. If you observe the code snippet, we used the Math.toRadians Function directly inside the System.out.format statement. Here, compiler will call the java math.toRadians method ( static double toRadians(double x) ) to find the corresponding radiant value.

1	System.out.format("Finding Radians of ArrayList Item %.2f = %.4f \n", x, Math.toRadians(x));

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Java toRadians Function Syntax

Java toRadians Function Example

Java toRadians on Array example

Java toRadians Function on Arraylist example

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