8000 Java StringBuilder Insert · TGAMendis/CoreJava@31abbbd · GitHub
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JavaProgramTo.com
8000
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Java StringBuilder Insert
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3 files changed

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‎src/main/java/com/javaprogramto/collections/treemap/comparator/TreeMapComparatorByValueExample.java

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@@ -10,6 +10,7 @@ public class TreeMapComparatorByValueExample {
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public static void main(String[] args) {
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// sorted set with the custom comparator
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SortedSet<Map.Entry<Customer, Integer>> sortedset = new TreeSet<>(
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new Comparator<Map.Entry<Customer, Integer>>() {
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@Override
@@ -25,6 +26,8 @@ public int compare(Map.Entry<Customer, Integer> e1, Map.Entry<Customer, Integer>
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customerAgeMap.put(new Customer(135, "A"), 40);
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customerAgeMap.put(new Customer(130, "C"), 50);
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// adding treemap values to the treeset.
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sortedset.addAll(customerAgeMap.entrySet());
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System.out.println("java 8 - treemap sort by value - " + sortedset);

‎src/main/java/com/javaprogramto/java8/streams/filter/ifelse/Java8StreamForEachExample.java

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package com.javaprogramto.java8.streams.filter.ifelse;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public class Java8StreamForEachExample {
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public static void main(String[] args) {
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List<Integer> numbersList = Arrays.asList(10, 13, 15, 20, 24, 16, 17, 100);
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List<Integer> evenList = new ArrayList<>();
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List<Integer> oddList = new ArrayList<>();
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numbersList.stream().forEach(number -> {
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if (number % 2 == 0) {
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evenList.add(number);
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} else {
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oddList.add(number);
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}
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});
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System.out.println("Even numbers list - " + evenList);
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System.out.println("Odd numbers list - " + oddList);
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}
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}

‎src/main/java/com/javaprogramto/stringbuilder/StringBuilderInsertExample.java

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package com.javaprogramto.stringbuilder;
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import com.javaprogramto.models.Employee;
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public class StringBuilderInsertExample {
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public static void main(String[] args) {
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StringBuilder sb = new StringBuilder();
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sb.append("first line end");
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// adding boolean to the string builder
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sb.insert(10, true);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding char to the string builder
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sb.insert(10, 'A');
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding char array to the string builder
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char[] charArray = { 'B', 'C' };
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sb.insert(10, charArray);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding char array to the string builder
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char[] charArray2 = { 'F', 'D', 'G', 'H' };
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sb.insert(10, charArray2, 1, 2);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding double to the string builder
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double d = 1000;
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sb.insert(10, d);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding int to the string builder
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int i = 1001;
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sb.insert(10, 1);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding float to the string builder
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float f = 1000.009f;
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sb.insert(10, f);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding long to the string builder
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long l = 1000;
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sb.insert(10, l);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding StringBuffer to the string builder
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StringBuffer buffer = new StringBuffer("hello");
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sb.insert(10, buffer);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding StringBuffer to the string builder
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StringBuffer buffer2 = new StringBuffer("welcome ");
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sb.insert(10, buffer2, 3, 5);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding StringBuffer to the string builder
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String str = "string";
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sb.insert(10, str);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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// adding StringBuffer to the string builder
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Employee e = new Employee(100, "name", 50);
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sb.insert(10, e);
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sb.insert(10, " ");
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System.out.println(sb.toString());
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}
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}

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