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9b871b6a42
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455c991edb
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@ -1,47 +1,10 @@
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public class Lab3 {
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private static final int REPETITION_NUMBER = 10;
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public static void main(String[] args) {
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StringBuilder result = new StringBuilder();
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for (int i = 0; i < REPETITION_NUMBER; i++) {
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// result += Integer.toString(i);
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// result += String.valueOf(i);
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result.append(i);
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}
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/*float f = 1.1f;
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double d = 2.2;
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// f = (float) (f + d);
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f += d;*/
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String s = "ASD";
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StringBuilder stringBuilder = new StringBuilder("ASD");
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StringBuffer stringBuffer = new StringBuffer("ASD");
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stringBuilder.append("A");
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System.out.println(s.length());
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System.out.println(stringBuilder.length());
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System.out.println(stringBuffer.length());
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System.out.println(s.endsWith("D"));
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// System.out.println(stringBuilder.substring(stringBuilder.length() - 1).equals("A"));
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System.out.println("A".equals(stringBuilder.substring(stringBuilder.length() - 1)));
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System.out.println("A".equals(stringBuffer.substring(stringBuffer.length() - 1)));
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String sNull = null;
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System.out.println("A".equals(sNull));
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System.out.println(sNull.equals("A"));
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System.out.println(s.substring(2));
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System.out.println(s.contains("AS"));
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System.out.println(s.indexOf('a'));
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// System.out.println(s.charAt(-1));
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System.out.println("s.equalsIgnoreCase(\"AsD\") = " + s.equalsIgnoreCase("AsD"));
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String s2 = s;
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System.out.println("s2 = " + s2);
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@ -1,7 +0,0 @@
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package test.one;
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public class A implements MyMethodInterface {
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public void myMethod() {
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}
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}
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@ -1,7 +0,0 @@
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package test.one;
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public class B implements MyMethodInterface {
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public void myMethod() {
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}
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}
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@ -1,13 +0,0 @@
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package test.one;
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public class Main {
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public static void main(String[] args) {
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Object[] objects = {
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new A(),
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new B(),
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};
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for (Object object : objects) {
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((MyMethodInterface)object).myMethod();
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}
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}
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}
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@ -1,5 +0,0 @@
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package test.one;
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public interface MyMethodInterface {
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void myMethod();
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}
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