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BASE-4502: PR comments and annotation example

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This commit is contained in:
Daniel Strmecki
2021-04-10 11:23:12 +02:00
parent b11077e79b
commit 54f11d5f05
4 changed files with 19 additions and 7 deletions
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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)
public void deprecatedMethod() {}
}

1
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/ClassConstants.java
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@@ -10,6 +10,7 @@ public class ClassConstants {
public static final int MAXIMUM_NUMBER_OF_USERS = 10; public static final int MAXIMUM_NUMBER_OF_USERS = 10;
public static final String DEFAULT_USERNAME = "unknown"; public static final String DEFAULT_USERNAME = "unknown";
public static final List<String> DEFAULT_GROUPS = List.of("all", "reader"); public static final List<String> DEFAULT_GROUPS = List.of("all", "reader");
public static final Logger log = LoggerFactory.getLogger(ClassConstants.class); public static final Logger log = LoggerFactory.getLogger(ClassConstants.class);

8
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/CompileTimeVariables.java
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@@ -5,16 +5,16 @@ import java.io.PrintWriter;
public class CompileTimeVariables { public class CompileTimeVariables {
public String ERROR_MESSAGE = ClassConstants.DEFAULT_USERNAME + " not allowed here."; public String ERROR_MESSAGE = ClassConstants.DEFAULT_USERNAME + " not allowed here.";
public final int MAXIMUM_LOGIN_ATTEMPTS = 5; public final int maximumLoginAttempts = 5 * 5;
public static void main(String[] args) { public static void main(String[] args) {
PrintWriter printWriter = System.console().writer(); PrintWriter printWriter = System.console().writer();
printWriter.write(ClassConstants.DEFAULT_USERNAME); printWriter.println(ClassConstants.DEFAULT_USERNAME);
CompileTimeVariables instance = new CompileTimeVariables(); CompileTimeVariables instance = new CompileTimeVariables();
printWriter.println(instance.MAXIMUM_LOGIN_ATTEMPTS); printWriter.println(instance.maximumLoginAttempts);
final String username = "baeldung"; final String username = "baeldung" + "-" + "user";
printWriter.println(username); printWriter.println(username);
} }

6
core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/RunTimeVariables.java → core-java-modules/core-java-lang-4/src/main/java/com/baeldung/compiletimeconstants/RuntimeVariables.java
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@@ -1,16 +1,16 @@
package com.baeldung.compiletimeconstants; package com.baeldung.compiletimeconstants;
import java.io.Console; import java.io.Console;
public class RunTimeVariables { public class RuntimeVariables {
public static void main(String[] args) { public static void main(String[] args) {
Console console = System.console(); Console console = System.console();
final String input = console.readLine(); final String input = console.readLine();
console.writer().write(input); console.writer().println(input);
final double random = Math.random(); final double random = Math.random();
console.writer().write("Number: " + random); console.writer().println("Number: " + random);
} }
} }