i have one String[]
String[] name = {\"amit\", \"rahul\", \"surya\"};
i want to send name as parameter in sql query inside IN
if (name.length > 0) {
StringBuilder nameBuilder = new StringBuilder();
for (String n : name) {
nameBuilder.append("'").append(n.replace("'", "\\'")).append("',");
// can also do the following
// nameBuilder.append("'").append(n.replace("'", "''")).append("',");
}
nameBuilder.deleteCharAt(nameBuilder.length() - 1);
return nameBuilder.toString();
} else {
return "";
}
String newNameList=null;
for(int i = name.length;i>=0;i--){
if(newNameList==null){
newNameList = "\'" + name[name.length - i] + "\'";
}
else{
newNameList += ",\'" + name[name.length - i] + "\'";
}
}
Two lines (excluding declarations; 'finalstring' should be initially declared equal to an empty string), if you don't care a lot about vertically spacing the for() loop:
for (int i = 0; i<string_array.length; i++) {finalstring += string_array[i]+",";}
finalstring = finalstring.substring(0,finalstring.length()-1);
Two lines, you're done. :)
StringBuilder sb = new StringBuilder();
for (String n : name) {
if (sb.length() > 0) sb.append(',');
sb.append("'").append(n).append("'");
}
return sb.toString();
If you already have Spring Framework as a dependency, you could also use the very simple util method:
org.springframework.util.StringUtils.arrayToCommaDelimitedString(String[] array)
String[] paramIdIdList={"P001","P002","P003"};
StringBuilder builder = new StringBuilder();
for(String paramId : paramIdIdList) {
builder.append(paramId+",");
}
builder.deleteCharAt(builder.length() -1);
String paramIds = builder.toString();
System.Out.Println(paramIds );