TP iostream

DEV2.1/hasard/exo2/Entiexte.java

@@ -0,0 +1,85 @@
+import java.lang.Math;
+
+public class Entiexte
+{
+	private String repr;
+
+	public Entiexte(int i)
+	{
+		this.repr = Integer.toBinaryString(i);
+		this.repr = this.reverse(this.repr);
+	}
+
+	public Entiexte(String i)
+	{
+		int temp = Integer.parseInt(i);
+		this.repr = Integer.toBinaryString(temp);
+		this.repr = this.reverse(this.repr);
+	}
+
+	public String toString()
+	{
+		return this.repr;
+	}
+
+	private String reverse(String txt)
+	{
+		char temp;
+		char[] txt2 = txt.toCharArray();
+		for (int i = 0;i<txt.length()/2;i++) 
+		{
+			temp = txt2[txt.length()-(1+i)];
+			txt2[txt.length()-(1+i)]=txt2[i];
+			txt2[i]=temp;
+		}
+		txt = new String(txt2);
+		return txt;
+	}
+
+	public int toInt()
+	{
+		int out=0;
+		for (int i=0;i<this.repr.length();i++)
+		{
+			if(repr.charAt(i)=='1')
+			{
+				out+= Math.pow(2,i);
+			}
+		}
+		return out;
+	}
+
+	public boolean plusGrand(Entiexte e)
+	{
+		int test = 0;
+		if (this.repr.length()>e.repr.length()) 
+		{
+			return true;
+		}
+		else 
+		{
+			if (this.repr.length()<e.repr.length()) 
+			{
+				return false;
+			}
+			else
+			{
+				for (int i=this.repr.length()-1;i>=0;i--) 
+				{
+					if (this.repr.charAt(i)!=e.repr.charAt(i)) 
+					{
+						if (this.repr.charAt(i)=='1') 
+						{
+							return true;
+						}
+						else
+						{
+							return false;
+						}
+					}	
+				}
+			}
+		}
+		return false;
+	}
+}

DEV2.1/hasard/exo2/test.java

@@ -0,0 +1,15 @@
+public class test
+{
+	public static void main(String[] args) {
+		
+		Entiexte test = new Entiexte("11");
+		System.out.println(test.toString());
+		System.out.println(test.toInt());
+		Entiexte test2 = new Entiexte("9");
+		Entiexte test3 = new Entiexte("11");
+		Entiexte test4 = new Entiexte("14");
+		System.out.println(test.plusGrand(test2));
+		System.out.println(test.plusGrand(test3));
+		System.out.println(test.plusGrand(test4));
+	}
+}