Push the initial commit

Author: ntung

.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### IntelliJ IDEA ###
+.idea/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>testeverything</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/commons-net/commons-net -->
+        <dependency>
+            <groupId>commons-net</groupId>
+            <artifactId>commons-net</artifactId>
+            <version>3.10.0</version>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/com/itersdesktop/javatechs/Main.java

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+package com.itersdesktop.javatechs;//package com.test;
+
+import com.itersdesktop.javatechs.oop.*;
+
+public class Main {
+
+    public static void main(String[] args) {
+        //testEbiEntryBuilder();
+        testBigIntegerAddition();
+    }
+
+    private static void testBigIntegerAddition() {
+        //new BigIntAddition().test();
+//        boolean k = new Solution().isPalindrome(1001);
+        boolean k = new Solution().isPalindrome(88888);
+        System.out.println(k);
+    }
+
+    private static void testEbiEntryBuilder() {
+        EbiEntryBuilder ebiBuilder = new EbiEntryBuilder();
+        ebiBuilder.index();
+
+        OmicsDiEntryBuilder omicsdiBuilder = new OmicsDiEntryBuilder();
+        omicsdiBuilder.index();
+    }
+
+
+}
+
+class Solution {
+    private static int[] convert2Array(int guess) {
+        String temp = Integer.toString(guess);
+        int[] newGuess = new int[temp.length()];
+        for (int i = 0; i < temp.length(); i++) {
+            newGuess[i] = temp.charAt(i) - '0';
+        }
+        return newGuess;
+    }
+
+    public boolean isPalindrome(int x) {
+        if (x < 0) return false;
+        if (x <= 9) return true;
+        int[] number = convert2Array(x);
+        int length = number.length;
+        if (length == 2) {
+            return number[0] == number[1];
+        } else if (length == 3) {
+            return number[0] == number[2];
+        } else {
+            int i, j;
+            i = (int) (double) (length / 2) - 1;
+            j = (int) (double) (length / 2);
+            if (length % 2 == 1) { j += 1; }
+            while (number[i] == number[j] && i > 0) {
+                i--;
+                j++;
+            }
+            return i == 0 && j == length - 1;
+        }
+    }
+}

src/main/java/com/itersdesktop/javatechs/oop/AbstractEntryBuilder.java

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+package com.itersdesktop.javatechs.oop;
+
+abstract public class AbstractEntryBuilder {
+    public String id;
+
+    public String name;
+
+    public String description;
+
+    @Override
+    public String toString() {
+        return "id: " + id + ", name: " + name + ", description: " + description;
+    }
+
+    AbstractEntryBuilder setCompulsoryFields() {
+        this.id = "random";
+        this.name = "My Name";
+        return this;
+    }
+
+    public abstract void index();
+}

src/main/java/com/itersdesktop/javatechs/oop/EbiEntryBuilder.java

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+package com.itersdesktop.javatechs.oop;
+
+public class EbiEntryBuilder extends AbstractEntryBuilder {
+
+    public EbiEntryBuilder setOptionalFields() {
+        this.description = "We are in EbiEntryBuilder.";
+        return this;
+    }
+
+    public void index() {
+        setCompulsoryFields();
+        setOptionalFields();
+        System.out.println(this);
+    }
+}

src/main/java/com/itersdesktop/javatechs/oop/OmicsDiEntryBuilder.java

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+package com.itersdesktop.javatechs.oop;
+
+public class OmicsDiEntryBuilder extends AbstractEntryBuilder {
+
+    public OmicsDiEntryBuilder setOptionalFields() {
+        this.description = "We are in OmicsDiEntryBuilder.";
+        return this;
+    }
+
+    @Override
+    public void index() {
+        setCompulsoryFields();
+        setOptionalFields();
+        System.out.println(this);
+    }
+}