CHAPTERNINE
Be focused and you will archive alot. choose your ON CSS
Explore moreBe focused and you will archive alot. choose your ON CSS
Explore moreLorem ipsum dolor sit amet consectetur adipisicing elit. Hic odit rem dolorum molestiae fugit deserunt exercitationem recusandae, itaque ratione harum sit repellat dolor temporibus deleniti non voluptatem nostrum quas? Cumque veniam, molestias id natus pariatur dolores aut nemo iure facilis expedita, temporibus exercitationem ullam ex officiis reiciendis quaerat enim consequuntur.
Explore the different cores of java programming below
Strings in Java are immutable sequences of characters, represented by the String class in the java.lang package. Being one of the most commonly used data types, strings allow developers to handle textual data efficiently.
public class StringOperations {
public static void main(String[] args) {
String message = "Welcome to Java Programming";
// Length of the string
System.out.println("Length: " + message.length());
// Character at a specific index
System.out.println("Character at index 8: " + message.charAt(8));
// Substring from the string
System.out.println("Substring (11 to 15): " + message.substring(11, 15));
}
}
Length: 27
Character at index 8: Welcome
Substring (11 to 15): ava P
public class StringComparison {
public static void main(String[] args) {
String str1 = "Java";
String str2 = "java";
String str3 = "Java";
// Comparing strings using equals()
System.out.println("str1 equals str2: " + str1.equals(str2)); // false
System.out.println("str1 equals str3: " + str1.equals(str3)); // true
// Comparing strings using compareTo()
System.out.println("str1 compareTo str2: " + str1.compareTo(str2)); // Negative value
System.out.println("str1 compareTo str3: " + str1.compareTo(str3)); // 0
}
}
str1 equals str2: false
str1 equals str3: true
str1 compareTo str2: Negative
str1 compareTo str3: 0
public class StringBuilderExample {
public static void main(String[] args) {
StringBuilder sb = new StringBuilder("Hello");
// Append to the string
sb.append(" World");
System.out.println("After append: " + sb);
// Insert into the string
sb.insert(6, "Java ");
System.out.println("After insert: " + sb);
// Reverse the string
sb.reverse();
System.out.println("After reverse: " + sb);
}
}
After append: Hello World
After insert: Hello Java
After reverse: olleH avaJ
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