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Saturday, 24 January 2015

Check a string value is Integer or not in java


Check a given string value is Integer or not in java


private boolean isInteger(String str){

for (int i = 0; i < str.length(); i++) {
if (str.charAt(i)-'0'<0||str.charAt(i)-'0'>9) {
return false;
}
}
return true;
}



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