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#502 Replaced usages of System.out with logger.

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This commit is contained in:
daniel-bryla
2016-10-23 19:59:03 +02:00
parent 4ca205c03c
commit 0438811489
154 changed files with 1155 additions and 792 deletions
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7
callback/src/main/java/com/iluwatar/callback/App.java
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@ -22,6 +22,9 @@
*/
package com.iluwatar.callback;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* Callback pattern is more native for functional languages where functions are treated as
@ -31,6 +34,8 @@ package com.iluwatar.callback;
*/
public class App {
private static final Logger LOGGER = LoggerFactory.getLogger(App.class);
/**
* Program entry point
*/
@ -39,7 +44,7 @@ public class App {
Callback callback = new Callback() {
@Override
public void call() {
System.out.println("I'm done now.");
LOGGER.info("I'm done now.");
}
};
task.executeWith(callback);

7
callback/src/main/java/com/iluwatar/callback/LambdasApp.java
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@ -22,6 +22,9 @@
*/
package com.iluwatar.callback;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* This example generates the exact same output as {@link App} however the callback has been
@ -30,12 +33,14 @@ package com.iluwatar.callback;
*/
public class LambdasApp {
private static final Logger LOGGER = LoggerFactory.getLogger(LambdasApp.class);
/**
* Program entry point
*/
public static void main(String[] args) {
Task task = new SimpleTask();
Callback c = () -> System.out.println("I'm done now.");
Callback c = () -> LOGGER.info("I'm done now.");
task.executeWith(c);
}
}

7
callback/src/main/java/com/iluwatar/callback/SimpleTask.java
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@ -22,6 +22,9 @@
*/
package com.iluwatar.callback;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* Implementation of task that need to be executed
@ -29,8 +32,10 @@ package com.iluwatar.callback;
*/
public class SimpleTask extends Task {
private static final Logger LOGGER = LoggerFactory.getLogger(SimpleTask.class);
@Override
public void execute() {
System.out.println("Perform some important activity and after call the callback method.");
LOGGER.info("Perform some important activity and after call the callback method.");
}
}