7/21/2019 java code

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public class BinaryConverter {

 

public static void main(String[] args){

  for(int i = -5 i ! "" i##){

  System$out$println(i # %& % # toBinary(i))

  System$out$println(i)

  ''alays anoter ay

  System$out$println(i # %& % # *nteger$toBinaryString(i))

  +

  +

 

',

  , pre& none

  , post& returns a String it base./um in base 0

  ,'

  public static String toBinary(int base./um){

  boolean is/eg = base./um ! .

  base./um = 1at$abs(base./um)

String result = %%

 

ile(base./um 2 ){

  result = (base./um 3 0) # result

  base./um '= 0

  +

  assert base./um == . 44 base./um == & %value is not != & % #

base./um

 

result = base./um # result

  assert all.snds(result)

 

if( is/eg )

  result = %-% # result

  return result

  +

 ',

  , pre& cal 6= null

  , post& return true if val consists only of caracters and .7 false

oterise

  ,'

  public static boolean all.snds(String val){

  assert val 6= null & %8ailed precondition all.snds$ parameter cannot

be null%

  boolean all = true

  int i = .

  car c

 

ile(all 99 i ! val$lengt()){  c = val$cart(i)

  all = c == :.: 44 c == ::

  i##

  +

  return all

  +

+