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“java string methods” Code Answer

java string methods

java by MR.IRAQI on Jan 25 2020 Donate

public char charAt(int index)
-----------------------------
String x = "airplane";
System.out.println( x.charAt(2) ); // output is 'r'

Source: www.w3resource.com

java string methods

java by MR.IRAQI on Jan 25 2020 Donate

// all String methods
public class StringMethodsDemo {
	public static void main(String[] args) {
		String targetString = "Java is fun to learn";
		String s1= "JAVA";
		String s2= "Java";
		String s3 = "  Hello Java  ";
		
		System.out.println("Char at index 2(third position): " + targetString.charAt(2));
		System.out.println("After Concat: "+ targetString.concat("-Enjoy-"));
		System.out.println("Checking equals ignoring case: " +s2.equalsIgnoreCase(s1));
		System.out.println("Checking equals with case: " +s2.equals(s1));
		System.out.println("Checking Length: "+ targetString.length());
		System.out.println("Replace function: "+ targetString.replace("fun", "easy"));
		System.out.println("SubString of targetString: "+ targetString.substring(8));
		System.out.println("SubString of targetString: "+ targetString.substring(8, 12));
		System.out.println("Converting to lower case: "+ targetString.toLowerCase());
		System.out.println("Converting to upper case: "+ targetString.toUpperCase());
		System.out.println("Triming string: " + s3.trim());
		System.out.println("searching s1 in targetString: " + targetString.contains(s1));
		System.out.println("searching s2 in targetString: " + targetString.contains(s2));

		char [] charArray = s2.toCharArray();
		System.out.println("Size of char array: " + charArray.length);
		System.out.println("Printing last element of array: " + charArray[3]);

	}

}

Source: www.w3resource.com

java string methods

java by MR.IRAQI on Jan 25 2020 Donate

public boolean contains(“searchString”)

String x = “Java is programming language”;
System.out.println(x.contains(“Amit”)); // This will print false
System.out.println(x.contains(“Java”)); // This will print true

Source: www.w3resource.com

java string methods

java by MR.IRAQI on Jan 25 2020 Donate

public String trim()

String x = " hi ";
System.out.println( x + "x" ); // result is" hi x"
System.out.println(x.trim() + "x"); // result is "hix"

Source: www.w3resource.com

java string methods

java by MR.IRAQI on Jan 25 2020 Donate

public int length()
-----------------------
String x = "01234567";
System.out.println( x.length() ); // returns "8"

Source: www.w3resource.com

java string methods

java by Helpful Hawk on Jul 27 2020 Donate

returning words:
welcome 
to 
split 
world
returning words:
welcome to split world
returning words:
welcome 
to split world

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