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Merged
maibin merged 3 commits into from
Aug 10, 2019
Merged

BAEL-3141: New string module #7548

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4315b7d
Merge pull request #1 from eugenp/master
albanoj2 Jul 29, 2019
ba947bf
Merge remote-tracking branch 'upstream/master'
albanoj2 Aug 10, 2019
53cff9c
BAEL-3141: Created new module for 'Converting Java String to Double' …
albanoj2 Aug 10, 2019
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3 changes: 3 additions & 0 deletions java-strings-3/README.md
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## Relevant Articles:

- [Converting Java String to Double](https://www.baeldung.com/java-string-to-double)
155 changes: 155 additions & 0 deletions java-strings-3/pom.xml
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<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>
<artifactId>java-strings-3</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<name>java-strings-3</name>

<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-java</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-java</relativePath>
</parent>

<dependencies>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>${jmh-core.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh-core.version}</version>
</dependency>
<dependency>
<groupId>com.ibm.icu</groupId>
<artifactId>icu4j</artifactId>
<version>${icu4j.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>${commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>${commons-io.version}</version>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>${commons-codec.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hamcrest</groupId>
<artifactId>hamcrest-library</artifactId>
<version>${org.hamcrest.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.assertj</groupId>
<artifactId>assertj-core</artifactId>
<version>${assertj.version}</version>
<scope>test</scope>
</dependency>

<!-- Added for password generation -->
<dependency>
<groupId>org.passay</groupId>
<artifactId>passay</artifactId>
<version>${passay.version}</version>
</dependency>
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-text</artifactId>
<version>${commons-text.version}</version>
</dependency>
<dependency>
<groupId>com.vdurmont</groupId>
<artifactId>emoji-java</artifactId>
<version>${emoji-java.version}</version>
</dependency>
<dependency>
<groupId>org.ahocorasick</groupId>
<artifactId>ahocorasick</artifactId>
<version>${ahocorasick.version}</version>
</dependency>
<dependency>
<groupId>javax.validation</groupId>
<artifactId>validation-api</artifactId>
<version>${validation-api.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate.validator</groupId>
<artifactId>hibernate-validator</artifactId>
<version>${hibernate-validator.version}</version>
</dependency>
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>${javax.el-api.version}</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.el</artifactId>
<version>${javax.el.version}</version>
</dependency>
</dependencies>

<build>
<finalName>java-strings-3</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>

<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${java.version}</source>
<target>${java.version}</target>
<compilerArgument>-parameters</compilerArgument>
</configuration>
</plugin>
</plugins>
</build>

<properties>
<commons-lang3.version>3.8.1</commons-lang3.version>
<commons-codec.version>1.10</commons-codec.version>
<passay.version>1.3.1</passay.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
<emoji-java.version>4.0.0</emoji-java.version>
<ahocorasick.version>0.4.0</ahocorasick.version>
<icu4j.version>61.1</icu4j.version>
<guava.version>28.0-jre</guava.version>
<commons-text.version>1.4</commons-text.version>
<validation-api.version>2.0.0.Final</validation-api.version>
<hibernate-validator.version>6.0.2.Final</hibernate-validator.version>
<javax.el-api.version>3.0.0</javax.el-api.version>
<javax.el.version>2.2.6</javax.el.version>
</properties>

</project>
3 changes: 3 additions & 0 deletions java-strings-3/src/main/java/com/baeldung/string/README.md
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This file exists to ensure this empty directory is committed in Git.

Please remove this file when this directory is populated.
13 changes: 13 additions & 0 deletions java-strings-3/src/main/resources/.gitignore
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*.class

#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*

# Packaged files #
*.jar
*.war
*.ear
112 changes: 56 additions & 56 deletions ...ble/StringToDoubleConversionUnitTest.java → ...ble/StringToDoubleConversionUnitTest.java
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package com.baeldung.string.todouble;
import static org.junit.Assert.assertEquals;
import java.text.DecimalFormat;
import java.text.ParseException;
import org.junit.Test;
public class StringToDoubleConversionUnitTest {
@Test
public void givenValidString_WhenParseDouble_ThenResultIsPrimitiveDouble() {
assertEquals(1.23, Double.parseDouble("1.23"), 0.000001);
}
@Test(expected = NullPointerException.class)
public void givenNullString_WhenParseDouble_ThenNullPointerExceptionIsThrown() {
Double.parseDouble(null);
}
@Test(expected = NumberFormatException.class)
public void givenInalidString_WhenParseDouble_ThenNumberFormatExceptionIsThrown() {
Double.parseDouble("&");
}
@Test
public void givenValidString_WhenValueOf_ThenResultIsPrimitiveDouble() {
assertEquals(1.23, Double.valueOf("1.23"), 0.000001);
}
@Test(expected = NullPointerException.class)
public void givenNullString_WhenValueOf_ThenNullPointerExceptionIsThrown() {
Double.valueOf(null);
}
@Test(expected = NumberFormatException.class)
public void givenInalidString_WhenValueOf_ThenNumberFormatExceptionIsThrown() {
Double.valueOf("&");
}
@Test
public void givenValidString_WhenDecimalFormat_ThenResultIsValidDouble() throws ParseException {
assertEquals(1.23, new DecimalFormat("#").parse("1.23").doubleValue(), 0.000001);
}
@Test(expected = NullPointerException.class)
public void givenNullString_WhenDecimalFormat_ThenNullPointerExceptionIsThrown() throws ParseException {
new DecimalFormat("#").parse(null);
}
@Test(expected = ParseException.class)
public void givenInvalidString_WhenDecimalFormat_ThenParseExceptionIsThrown() throws ParseException {
new DecimalFormat("#").parse("&");
}
}
package com.baeldung.string.todouble;

import static org.junit.Assert.assertEquals;

import java.text.DecimalFormat;
import java.text.ParseException;

import org.junit.Test;

public class StringToDoubleConversionUnitTest {

@Test
public void givenValidString_WhenParseDouble_ThenResultIsPrimitiveDouble() {
assertEquals(1.23, Double.parseDouble("1.23"), 0.000001);
}

@Test(expected = NullPointerException.class)
public void givenNullString_WhenParseDouble_ThenNullPointerExceptionIsThrown() {
Double.parseDouble(null);
}

@Test(expected = NumberFormatException.class)
public void givenInalidString_WhenParseDouble_ThenNumberFormatExceptionIsThrown() {
Double.parseDouble("&");
}

@Test
public void givenValidString_WhenValueOf_ThenResultIsPrimitiveDouble() {
assertEquals(1.23, Double.valueOf("1.23"), 0.000001);
}

@Test(expected = NullPointerException.class)
public void givenNullString_WhenValueOf_ThenNullPointerExceptionIsThrown() {
Double.valueOf(null);
}

@Test(expected = NumberFormatException.class)
public void givenInalidString_WhenValueOf_ThenNumberFormatExceptionIsThrown() {
Double.valueOf("&");
}

@Test
public void givenValidString_WhenDecimalFormat_ThenResultIsValidDouble() throws ParseException {
assertEquals(1.23, new DecimalFormat("#").parse("1.23").doubleValue(), 0.000001);
}

@Test(expected = NullPointerException.class)
public void givenNullString_WhenDecimalFormat_ThenNullPointerExceptionIsThrown() throws ParseException {
new DecimalFormat("#").parse(null);
}

@Test(expected = ParseException.class)
public void givenInvalidString_WhenDecimalFormat_ThenParseExceptionIsThrown() throws ParseException {
new DecimalFormat("#").parse("&");
}
}
13 changes: 13 additions & 0 deletions java-strings-3/src/test/resources/.gitignore
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*.class

#folders#
/target
/neoDb*
/data
/src/main/webapp/WEB-INF/classes
*/META-INF/*

# Packaged files #
*.jar
*.war
*.ear
2 changes: 2 additions & 0 deletions pom.xml
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Expand Up @@ -469,6 +469,7 @@
<!-- <module>java-streams-2</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
<module>java-strings</module>
<module>java-strings-2</module>
<module>java-strings-3</module>
<module>java-strings-ops</module>
<module>java-vavr-stream</module>
<module>java-websocket</module>
Expand Down Expand Up @@ -1165,6 +1166,7 @@
<!-- <module>java-streams-2</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
<module>java-strings</module>
<module>java-strings-2</module>
<module>java-strings-3</module>
<module>java-strings-ops</module>
<module>java-vavr-stream</module>
<module>java-websocket</module>
Expand Down