public class StringPerformance {

public static void main(String[] args) {

String str1 = "This is a short string.";

String str2 = "This is a much longer string for testing purposes.";

String str3 = "A very very very long string to measure performance.";

long startTime, endTime, duration;

// Measure performance of str1

startTime = System.nanoTime();

processString(str1);

endTime = System.nanoTime();

duration = (endTime - startTime);

System.out.println("String 1 performance: " + duration + " nanoseconds");

// Measure performance of str2

startTime = System.nanoTime();

processString(str2);

endTime = System.nanoTime();

duration = (endTime - startTime);

System.out.println("String 2 performance: " + duration + " nanoseconds");

// Measure performance of str3

startTime = System.nanoTime();

processString(str3);

endTime = System.nanoTime();

duration = (endTime - startTime);

System.out.println("String 3 performance: " + duration + " nanoseconds");

}

// Simulate a short-lived, synchronous task with string processing

public static void processString(String str) {

// Simulate some work being done on the string

for (int i = 0; i < 100000; i++) {

str.toUpperCase(); // Example synchronous operation - converting to uppercase

}

}

}