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Author: wususu

java/(alibaba) _java_并发编程常识-梁飞.pptx Java/(alibaba) _java_并发编程常识-梁飞.pptx

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+<?php
+
+abstract class Unit {
+    abstract function bombardStrength();
+}
+
+class Archer extends Unit {
+    function bombardStrength() {
+        return 4;
+    }
+}
+
+class LaserCannonUnit extends Unit {
+    function bombardStrength() {
+        return 44;
+    }
+}
+?>

java/(alibaba)_Java_并发编程培训.ppt Java/(alibaba)_Java_并发编程培训.ppt

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+<?php
+
+abstract class Unit {
+    abstract function bombardStrength();
+}
+
+class Archer extends Unit {
+    function bombardStrength() {
+        return 4;
+    }
+}
+
+class LaserCannonUnit extends Unit {
+    function bombardStrength() {
+        return 44;
+    }
+}
+
+
+class Army {
+    private $units = array();
+
+    function addUnit( Unit $unit ) {
+        array_push( $this->units, $unit );
+    }
+
+    function bombardStrength() {
+        $ret = 0;
+        foreach( $this->units as $unit ) {
+            $ret += $unit->bombardStrength();
+        }
+        return $ret;
+    }
+}
+
+$unit1 = new Archer(); 
+$unit2 = new LaserCannonUnit(); 
+$army = new Army();
+$army->addUnit( $unit1 ); 
+$army->addUnit( $unit2 ); 
+print $army->bombardStrength();
+?>

Java/Effective_Java_2nd_Edition.pdf

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+<?php
+
+abstract class Unit {
+    abstract function bombardStrength();
+}
+
+class Archer extends Unit {
+    function bombardStrength() {
+        return 4;
+    }
+}
+
+class LaserCannonUnit extends Unit {
+    function bombardStrength() {
+        return 44;
+    }
+}
+
+
+class Army {
+    private $units = array();
+    private $armies= array();
+
+    function addUnit( Unit $unit ) {
+        array_push( $this->units, $unit );
+    }
+
+    function addArmy( Army $army ) {
+        array_push( $this->armies, $army );
+    }
+
+    function bombardStrength() {
+        $ret = 0;
+        foreach( $this->units as $unit ) {
+            $ret += $unit->bombardStrength();
+        }
+
+        foreach( $this->armies as $army ) {
+            $ret += $army->bombardStrength();
+        }
+
+        return $ret;
+    }
+}
+
+$unit1 = new Archer(); 
+$unit2 = new LaserCannonUnit(); 
+$army = new Army();
+$army->addUnit( $unit1 ); 
+$army->addUnit( $unit2 ); 
+print $army->bombardStrength();
+print "\n";
+$army2 = clone $army;
+$army->addArmy( $army2 );
+print $army->bombardStrength();
+print "\n";
+?>

java/Hibernate5用户手册中文版.pdf Java/Hibernate5用户手册中文版.pdf

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+<?php
+abstract class Unit {
+    abstract function addUnit( Unit $unit );
+    abstract function removeUnit( Unit $unit );
+    abstract function bombardStrength();
+}
+class Army extends Unit {
+    private $units = array();
+
+    function addUnit( Unit $unit ) {
+        if ( in_array( $unit, $this->units, true ) ) {
+            return;
+        }
+        
+        $this->units[] = $unit;
+    }
+
+    function removeUnit( Unit $unit ) {
+        // >= php 5.3
+        //$this->units = array_udiff( $this->units, array( $unit ), 
+        //                function( $a, $b ) { return ($a === $b)?0:1; } );
+
+        // < php 5.3
+        $this->units = array_udiff( $this->units, array( $unit ), 
+                        create_function( '$a,$b', 'return ($a === $b)?0:1;' ) );
+    }
+
+    function bombardStrength() {
+        $ret = 0;
+        foreach( $this->units as $unit ) {
+            $ret += $unit->bombardStrength();
+        }
+        return $ret;
+    }
+}
+
+// quick example classes
+class Tank extends Unit { 
+    function addUnit( Unit $unit ) {}
+    function removeUnit( Unit $unit ) {}
+
+    function bombardStrength() {
+        return 4;
+    }
+}
+
+class Soldier extends Unit { 
+    function addUnit( Unit $unit ) {}
+    function removeUnit( Unit $unit ) {}
+
+    function bombardStrength() {
+        return 8;
+    }
+}
+
+$tank =  new Tank();
+$tank2 = new Tank();
+$soldier = new Soldier();
+
+$army = new Army();
+$army->addUnit( $soldier );
+$army->addUnit( $tank );
+$army->addUnit( $tank2 );
+
+print_r( $army );
+
+$army->removeUnit( $tank2 );
+
+print_r( $army );
+?>

Java/Java 并发编程实战.pdf

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+<?php
+abstract class Unit {
+    abstract function addUnit( Unit $unit );
+    abstract function removeUnit( Unit $unit );
+    abstract function bombardStrength();
+}
+
+class Army extends Unit {
+    private $units = array();
+
+    function addUnit( Unit $unit ) {
+        if ( in_array( $unit, $this->units, true ) ) {
+            return;
+        }
+        
+        $this->units[] = $unit;
+    }
+
+    function removeUnit( Unit $unit ) {
+        // >= php 5.3
+        //$this->units = array_udiff( $this->units, array( $unit ), 
+        //                function( $a, $b ) { return ($a === $b)?0:1; } );
+
+        // < php 5.3
+        $this->units = array_udiff( $this->units, array( $unit ), 
+                        create_function( '$a,$b', 'return ($a === $b)?0:1;' ) );
+    }
+
+    function bombardStrength() {
+        $ret = 0;
+        foreach( $this->units as $unit ) {
+            $ret += $unit->bombardStrength();
+        }
+        return $ret;
+    }
+}
+
+class UnitException extends Exception {}
+
+class Archer extends Unit {
+    function addUnit( Unit $unit ) {
+        throw new UnitException( get_class($this)." is a leaf" );
+    }
+
+    function removeUnit( Unit $unit ) {
+        throw new UnitException( get_class($this)." is a leaf" );
+    }
+
+    function bombardStrength() {
+        return 4;
+    }
+}
+
+$archer = new Archer();
+$archer2 = new Archer();
+$archer->addUnit( $archer2 );
+
+?>

Java/Java编程思想.pdf

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+<?php
+
+class UnitException extends Exception {}
+
+abstract class Unit {
+    abstract function bombardStrength();
+
+    function addUnit( Unit $unit ) {
+        throw new UnitException( get_class($this)." is a leaf" );
+    }
+
+    function removeUnit( Unit $unit ) {
+        throw new UnitException( get_class($this)." is a leaf" );
+    }
+}
+
+class Archer extends Unit {
+    function bombardStrength() {
+        return 4;
+    }
+}
+
+class LaserCannonUnit extends Unit {
+    function bombardStrength() {
+        return 44;
+    }
+}
+
+class Army extends Unit {
+    private $units = array();
+
+    function addUnit( Unit $unit ) {
+        if ( in_array( $unit, $this->units, true ) ) {
+            return;
+        }
+        
+        $this->units[] = $unit;
+    }
+
+    function removeUnit( Unit $unit ) {
+        // >= php 5.3
+        //$this->units = array_udiff( $this->units, array( $unit ), 
+        //                function( $a, $b ) { return ($a === $b)?0:1; } );
+
+        // < php 5.3
+        $this->units = array_udiff( $this->units, array( $unit ), 
+                        create_function( '$a,$b', 'return ($a === $b)?0:1;' ) );
+    }
+
+    function bombardStrength() {
+        $ret = 0;
+        foreach( $this->units as $unit ) {
+            $ret += $unit->bombardStrength();
+        }
+        return $ret;
+    }
+}
+
+// create an army
+$main_army = new Army();
+
+// add some units
+$main_army->addUnit( new Archer() );
+$main_army->addUnit( new LaserCannonUnit() );
+
+// create a new army
+$sub_army = new Army();
+
+// add some units
+$sub_army->addUnit( new Archer() );
+$sub_army->addUnit( new Archer() );
+$sub_army->addUnit( new Archer() );
+
+// add the second army to the first
+$main_army->addUnit( $sub_army );
+
+// all the calculations handled behind the scenes
+print "attacking with strength: {$main_army->bombardStrength()}\n";
+?>