how to concatenate string and in flutter code example

Example 1: concatenate in flutter

In dart there are many string options.

For concatenation, you can do :

    'hello $myVariable'
    "hello ${myVariable.myProperty}"
    'hello ' 'world' (only works with string literals)
    'hello' + myVariable

So in your case, you can do a print(" $str1 $str2")

Example 2: flutter string concatenation

var txn = {title: 'Amount Deducted', amount: 150};
var branchCode = 'ABD125';

print("Branch Code $branchCode"); // ABD125
print("\$ ${txn.amount}"); // $150
print("Total Amount Deducted: ${txn.amount}"); // Total Amount Deducted: 150

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Dart Example

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