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# Laporan praktikum alpro

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### Laporan praktikum alpro

1. 1. POLITEKNIK CALTEX RIAU1 SI ALAPORAN PRAKTIKUM ALGORITMADAN PEMROGRAMANPRAKTIKUM 1.2.3.4ERHAN ARDIANDAROHADATUL AISY
2. 2. Praktikum 1 :/** To change this template, choose Tools | Templates* and open the template in the editor.*/package Latihan;/**** @author compaq*/public class DemoVariabel {public static void main(String[] args) {//contoh bilangan bulat/integerbyte aByte =120;short aShort = 255;int anInteger = 4500;long aLong = 56789l;//contoh bilangan realfloat aFloat = 87.36f;double aDouble = 87.363D;//tipe primitif lainnyachar aChar = S;boolean aBoolean = true;System.out.println("aByte berisi"+aByte);System.out.println("aShort berisi"+aShort);System.out.println("anInteger berisi"+anInteger );System.out.println("aLong berisi"+aLong);System.out.println("aFloat berisi" +aFloat);System.out.println("aDouble berisi"+aDouble);System.out.println("aChar berisi"+aChar);System.out.println("aBoolean berisi"+aBoolean);}}
3. 3. Maka hasilnya akan seperti ini :aByte berisi120aShort berisi255anInteger berisi4500aLong berisi56789aFloat berisi87.36aDouble berisi87.363aChar berisiSaBoolean berisitrueBUILD SUCCESSFUL (total time: 1 second)Praktikum 2/** To change this template, choose Tools | Templates* and open the template in the editor.*/package Latihan;/**** @author compaq*/public class DemoAritmetika {private static int aLong;public static void main(String[] args) {short aShort = 20;int anInteger = 401;long along= 450L;float aFloat = 90;System.out.println("aLong="+along);System.out.println("anInteger="+anInteger);long otherLong = aLong+anInteger;System.out.println("otherLong setelah operasi aLong +anInteger adalah1 "+otherLong);System.out.println("aFloat="+aFloat);
4. 4. System.out.println("anShort="+aShort);float otherFloat =aFloat/aShort;System.out.println("otherFloat = aFloat/aShort adalah"+otherFloat);System.out.println("anInteger=");anInteger = anInteger/4;System.out.println("anInteger setelah anInteger = anInteger/4 adalah "+anInteger);int x = anInteger++;System.out.println("Setelah operasi x =anInteger++maka nilai untuk ");System.out.println("anInteger="+anInteger);System.out.println("dan x="+x);x = ++anInteger;System.out.println("Setelah operasi x=++anInteger maka nilai untuk");System.out.println("anInteger="+anInteger);System.out.println("dan x=");}}Maka hasilnya akan seperti ini :anInteger=anInteger setelah anInteger = anInteger/4 adalah 100Setelah operasi x =anInteger++maka nilai untukanInteger=101dan x=100Setelah operasi x=++anInteger maka nilai untukanInteger=102dan x=BUILD SUCCESSFUL (total time: 0 seconds)
5. 5. Praktikum 3/** To change this template, choose Tools | Templates* and open the template in the editor.*/package Latihan;/**** @author compaq*/public class RelationalDemo {public static void main(String[] args) {int i=37;int j = 42;int k = 42;System.out.println("Nilai variabel...");System.out.println("i="+i);System.out.println("j="+j);System.out.println("k="+k);System.out.println("Lebih besar dari ...");System.out.println("i>j="+(i>j));System.out.println("j>i="+(j>i));System.out.println("k>j="+(k>j));System.out.println("Lebih besar atau sama dengan ...");System.out.println("i>=j="+(i>=j));System.out.println("j>=i="+(j>i));System.out.println("k>=j="+(k>j));System.out.println("Lebih kecil dari...");System.out.println("i<j="+(i<j));System.out.println("j<i="+(j<i));System.out.println("k<j="+(k<j));System.out.println("Lebih kecil dari atu sama dengan ...");System.out.println("i<=j"+(i<=j));
6. 6. System.out.println("j<=i"+(j<=i));System.out.println("k<=j"+(k<=j));System.out.println("Sama dengankah...");System.out.println("i==j"+(i==j));System.out.println("k==j"+(k==j));System.out.println("Tidak sama dengankah...");System.out.println("i!=j="+(i!=j));System.out.println("k!=j="+(k!=j));}}Maka hasilnya akan seperti ini :j<=ifalsek<=jtrueSama dengankah...i==jfalsek==jtrueTidak sama dengankah...i!=j=truek!=j=falseBUILD SUCCESSFUL (total time: 0 seconds)Praktikum 4/** To change this template, choose Tools | Templates* and open the template in the editor.*/package Latihan;/**** @author compaq*/
7. 7. public class DemoIfSingkat {public static void main(String[] args) {int inputV1=5;int inputV2=2;int digital;digital = inputV1>2.5?1:0;System.out.println("Digital dari V1:"+digital);digital = inputV2>2.5? 1:0;System.out.println("Digital dari V2:"+digital);}}Hasilnya akan seperti ini :run:Digital dari V1:1Digital dari V2:0BUILD SUCCESSFUL (total time: 0 seconds)