Removing White Spaces between string

public static void main(String[] args)
{
String str = "wan   khede";
StringBuffer sb = new StringBuffer();
char [] ch = str.toCharArray();
for(int i=0;i<=str.length()-1;i++)
{

if(ch[i]!=' ')
{
sb=sb.append(str.charAt(i));
}

}
String str1 = sb.toString();
System.out.println(str1);

}

 

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With Warm REGARDS,

En. S. WANKHEDE