26 lines
692 B
Java
26 lines
692 B
Java
// strings/UsingStringBuilder.java
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import java.util.*;
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public class UsingStringBuilder {
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public static Random rand = new Random(47);
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@Override
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public String toString() {
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StringBuilder result = new StringBuilder("[");
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for(int i = 0; i < 25; i++) {
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result.append(rand.nextInt(100));
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result.append(", ");
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}
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result.delete(result.length()-2, result.length());
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result.append("]");
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return result.toString();
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}
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public static void main(String[] args) {
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UsingStringBuilder usb = new UsingStringBuilder();
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System.out.println(usb);
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}
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}
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/* Output:
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[58, 55, 93, 61, 61, 29, 68, 0, 22, 7, 88, 28, 51, 89, 9,
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78, 98, 61, 20, 58, 16, 40, 11, 22, 4]
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*/
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