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Squashed commit of the following: (#10709) 

commit 2347e8b21b0d33391e9cb4e79e146756cadfe322
Author: ashleyfrieze <ashley@incredible.org.uk>
Date:   Tue Apr 27 21:40:33 2021 +0100

    Minor tweak to pom

commit 0497a9e3e88e9000d335976f311b5e8c1e10675b
Merge: a7cf36704b 35cc00b59a
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Mon Apr 26 20:27:13 2021 +0200

    Merge branch 'master' into feature/BAEL-4502-compile-time-const

commit a7cf36704bbf94a0afa5a9f46969f8e9774ca683
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Mon Apr 26 20:25:47 2021 +0200

    BASE-4502: Update POM

commit 86bfe45c4850c31d1505f4bb7a638a3f06621062
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sun Apr 25 20:32:35 2021 +0200

    BASE-4502: Revert POM changes and comment out JDK9+ code

commit b538d1cc19c54c0b9ad9022b94fd066603836e26
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sun Apr 25 16:42:47 2021 +0200

    BASE-4502: Change parent

commit f608783de5f5ee3eda6f2da25d10598327c5aa0f
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sun Apr 25 16:38:00 2021 +0200

    BASE-4502: Maven compiler version

commit f15f2b84478b45a7740d78316bec9c253235adf6
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sun Apr 25 16:13:05 2021 +0200

    BASE-4502: Compile to Java 11

commit 79e780667ca2745198a13b227984e691e4575955
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sat Apr 24 08:53:53 2021 +0200

    BASE-4502: wrong case

commit fca2515c41f653ca735af73e659fb2735b455ce2
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sat Apr 10 11:32:59 2021 +0200

    BASE-4502: Add space

commit 0407a1e40980763f13be598224df5403a12fb8c1
Merge: 54f11d5f05 5621594056
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sat Apr 10 11:24:57 2021 +0200

    Merge remote-tracking branch 'origin/feature/BAEL-4502-compile-time-const' into feature/BAEL-4502-compile-time-const

    # Conflicts:
    #	core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/ClassConstants.java
    #	core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/CompileTimeVariables.java

commit 54f11d5f05aef35b9835ea1e2689be0f6e4bcd82
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sat Apr 10 11:23:12 2021 +0200

    BASE-4502: PR comments and annotation example

commit 5621594056bc97f7b2ab7a70e5cf1abcc8ef35a4
Author: daniel.strmecki <daniel.strmecki@ecx.io>
Date:   Sun Apr 4 12:43:17 2021 +0200

    BAEL-4502: Remove unused examples

commit b11077e79bf92bcfd6748361e7eb66bcfb20ab06
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sat Apr 3 11:14:29 2021 +0200

    BASE-4502: Update examples

commit 9fea197cd6b5f471bcda4331b722ae308e30b507
Merge: f6e1f2fc46 b7cbb5428d
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sun Mar 28 17:41:46 2021 +0200

    Merge branch 'master' into feature/BAEL-4502-compile-time-const

commit f6e1f2fc467949f66eba441bb98f75f8d69c09b8
Author: Daniel Strmecki <daniel.strmecki@gmail.com>
Date:   Sun Mar 28 17:40:31 2021 +0200

    BASE-4502: Compile time examples
This commit is contained in:
ashleyfrieze 2021-04-27 22:08:10 +01:00 committed by GitHub
parent 6e485ba4f9
commit 8b643c8402
6 changed files with 85 additions and 2 deletions
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3
core-java-modules/core-java-lang-4/pom.xml
View File

@ -39,5 +39,4 @@
</resource>
</resources>
</build>
</project>
</project>

11
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/Annotations.java Normal file
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@ -0,0 +1,11 @@
package com.baeldung.compiletimeconstants;
public class Annotations {
private final String deprecatedDate = "20-02-14";
private final String deprecatedTime = "22:00";
//@Deprecated(since = deprecatedDate + " " + deprecatedTime) //TODO: Required JDK 9+
public void deprecatedMethod() {}
}

19
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/ClassConstants.java Normal file
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@ -0,0 +1,19 @@
package com.baeldung.compiletimeconstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Arrays;
import java.util.List;
public class ClassConstants {
public static final int MAXIMUM_NUMBER_OF_USERS = 10;
public static final String DEFAULT_USERNAME = "unknown";
public static final Logger log = LoggerFactory.getLogger(ClassConstants.class);
public static final List<String> contributorGroups = Arrays.asList("contributor", "author");
public static final int MAXIMUM_NUMBER_OF_GUESTS = MAXIMUM_NUMBER_OF_USERS * 10;
}

21
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/CompileTimeVariables.java Normal file
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@ -0,0 +1,21 @@
package com.baeldung.compiletimeconstants;
import java.io.PrintWriter;
public class CompileTimeVariables {
public final String errorMessage = ClassConstants.DEFAULT_USERNAME + " not allowed here.";
public final int maximumLoginAttempts = 5;
public static void main(String[] args) {
PrintWriter printWriter = System.console().writer();
printWriter.println(ClassConstants.DEFAULT_USERNAME);
CompileTimeVariables instance = new CompileTimeVariables();
printWriter.println(instance.maximumLoginAttempts);
final String username = "baeldung" + "-" + "user";
printWriter.println(username);
}
}

16
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/RuntimeVariables.java Normal file
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@ -0,0 +1,16 @@
package com.baeldung.compiletimeconstants;
import java.io.Console;
public class RuntimeVariables {
public static void main(String[] args) {
Console console = System.console();
final String input = console.readLine();
console.writer().println(input);
final double random = Math.random();
console.writer().println("Number: " + random);
}
}

17
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/SwitchStatement.java Normal file
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@ -0,0 +1,17 @@
package com.baeldung.compiletimeconstants;
public class SwitchStatement {
private static final String VALUE_ONE = "value-one";
public static void main(String[] args) {
final String valueTwo = "value" + "-" + "two";
switch (args[0]) {
case VALUE_ONE:
break;
case valueTwo:
break;
}
}
}