// 31. stripLeading()

public class StripLeadingExample {
    public static void main(String[] args) {
        String str = "  Hello, World!  ";
        String strippedString = str.stripLeading();
        System.out.println("Leading stripped string: '" + strippedString + "'");
    }
}

// 32. stripTrailing()

public class StripTrailingExample {
    public static void main(String[] args) {
        String str = "  Hello, World!  ";
        String strippedString = str.stripTrailing();
        System.out.println("Trailing stripped string: '" + strippedString + "'");
    }
}

// 33. isBlank()

public class IsBlankExample {
    public static void main(String[] args) {
        String str = "   ";
        boolean isBlank = str.isBlank();
        System.out.println("Is the string blank? " + isBlank);
    }
}

// 34. lines().count()

public class LinesCountExample {
    public static void main(String[] args) {
        String str = "Hello\nWorld\nWelcome";
        long lineCount = str.lines().count();
        System.out.println("Number of lines: " + lineCount);
    }
}

// 35. formatted()

public class FormattedExample {
    public static void main(String[] args) {
        String formattedString = "Name: %s, Age: %d";
        String result = String.format(formattedString, "John", 30);
        System.out.println("Formatted string: " + result);
    }
}

// 36. stripIndent()

public class StripIndentExample {
    public static void main(String[] args) {
        String str = "    Line 1\n    Line 2\n    Line 3";
        String strippedString = str.stripIndent();
        System.out.println("Stripped indents:\n" + strippedString);
    }
}

// 37. translateEscapes()

public class TranslateEscapesExample {
    public static void main(String[] args) {
        String str = "Hello\\nWorld\\tJava";
        String translatedString = str.translateEscapes();
        System.out.println("Translated escapes: " + translatedString);
    }
}

// 38. indent(int n)

public class IndentExample {
    public static void main(String[] args) {
        String str = "Hello\nWorld";
        String indentedString = str.indent(4);
        System.out.println("Indented string:\n" + indentedString);
    }
}

// 39. repeat(int count)

public class RepeatCountExample {
    public static void main(String[] args) {
        String str = "Java ";
        String repeatedString = str.repeat(3);
        System.out.println("Repeated string: " + repeatedString);
    }
}

// 40. stripLeading(), stripTrailing()

public class StripLeadingTrailingExample {
    public static void main(String[] args) {
        String str = "  Hello, World!  ";
        String strippedLeading = str.stripLeading();
        String strippedTrailing = str.stripTrailing();
        System.out.println("Leading stripped string: '" + strippedLeading + "'");
        System.out.println("Trailing stripped string: '" + strippedTrailing + "'");
    }
}

// 41. replaceFirst()

public class ReplaceFirstExample {
    public static void main(String[] args) {
        String str = "apple orange apple orange";
        String replacedString = str.replaceFirst("apple", "banana");
        System.out.println("String after replacing first occurrence: " + replacedString);
    }
}

// 42. regionMatches()

public class RegionMatchesExample {
    public static void main(String[] args) {
        String str1 = "Hello World";
        String str2 = "WORLD";
        boolean matches = str1.regionMatches(true, 6, str2, 0, 5);
        System.out.println("Do regions match ignoring case? " + matches);
    }
}

// 43. offsetByCodePoints()

public class OffsetByCodePointsExample {
    public static void main(String[] args) {
        String str = "Hello World";
        int index = str.offsetByCodePoints(0, 6);
        System.out.println("Index after moving by code points: " + index);
    }
}

// 44. join()

public class JoinExample {
    public static void main(String[] args) {
        String[] words = {"Hello", "World", "Java"};
        String joinedString = String.join(", ", words);
        System.out.println("Joined string: " + joinedString);
    }
}

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//sum two numbers in Java

public class Main {
    public static void main(String[] args) {
        int num1 = 5; // First number
        int num2 = 7; // Second number

        int sum = num1 + num2; // Adding the two numbers

        System.out.println("Sum is: " + sum); // Printing the sum
    }
}

//multiply two numbers in Java

public class Main {
    public static void main(String[] args) {
     
        int num1 = 6;
    
        int num2 = 5;

        int product = num1 * num2;

        System.out.println("product is: " + product);
        
    }
}

//Even odd using if else in java

public class Main {
    public static void main(String[] args) {
        int num = 4;
        if( num % 2 == 0){
            System.out.println("Number is Even");
        }
        else{
            System.out.println("Nunber is Odd");
        }
    }
}

// Remove duplicates from array

import java.util.Arrays;
import java.util.LinkedHashSet;

public class RemoveDuplicates {
    public static void main(String[] args) {
        Integer[] arrayWithDuplicates = {1, 2, 3, 3, 4, 5, 5, 6};
        
        // Convert array to LinkedHashSet to remove duplicates while preserving order
        LinkedHashSet<Integer> set = new LinkedHashSet<>(Arrays.asList(arrayWithDuplicates));
        
        // Convert back to array
        Integer[] arrayWithoutDuplicates = set.toArray(new Integer[0]);
        
        // Print array without duplicates
        System.out.println(Arrays.toString(arrayWithoutDuplicates));
    }
}