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4 changes: 2 additions & 2 deletions src/main/java/algorithms/SortingAlgorithm.java
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ public void clearScreenAndPrintStatistics(String algorithmName) {
Utils.printInCenter(separator, " ");
}

protected void printArray(int currentIndex, int targetIndex) {
protected synchronized void printArray(int currentIndex, int targetIndex) {
StringBuilder output = new StringBuilder();
int maxHeight = findMax(array);

Expand Down Expand Up @@ -90,7 +90,7 @@ protected void printArray(int currentIndex, int targetIndex) {
/**
*
*/
public void printArray() {
public synchronized void printArray() {
StringBuilder output = new StringBuilder();
int maxHeight = findMax(array);

Expand Down