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2023年12月19日发(作者:模板支撑)

例:// Java program to demonstrate the example

// of StringBuilder delete(int beg_idx , int end_idx)// method of StringBuilder

public class Delete { public static void main(String[] args) { // Creating an StringBuilder object StringBuilder st_b = new StringBuilder("Java World"); // Display before deletion n("st_b = " + st_b); // By using delete(4,10) method is to delete all the characters // lies in a given range from index 4 to index 10 st_b = st_(4, 10); // Display st_b after deletion n("st_(4,10) = " + st_b); }}Output输出量st_b = Java Worldst_(4,10) = Java


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